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Metal Washers Counterbored Hole

MISUMI

MiSUMi Economy

MISUMI

Part Number

Configured Part Number is shown.

Drawing/Specifications
Part Numbers

Product Overview

It is generally used as a component that is cushioned at the workpiece connector and plays a role of precise adjustment of the clearance on the cushioned part.
It can also be used to protect the surface of the connected part from being scratched by the nut and disperse the pressure generated by the nut on the connected part.

Dimensional Drawing

MISUMI Metal Washers For Flat Head Bolt Drawings, Gasket Specifications

Specifications Overview

・Material Table

Standard Grade

T Dimension Tolerance±0.1

Precision Grade

Dimension Tolerance±0.01

Material

Surface Treatment

Hardness

D (mm)

V (mm)

P(mm)

H(mm)

T(mm)

T Dimension Selectable

T Dimension Configurable

Custom dimensions

T Dimension Configurable

Custom dimensions

E-FWZASS

SS400

10~100

5~90

3~88

1~48

3~50

E-FWZAC

E-FWZSC

General structural steel or carbon steel

E-WZAB

E-TWZAB

E-FWZAB

E-TWZSB

E-FWZSB

Ferroferric Oxide Protective Film

E-WZAM

E-TWZAM

E-FWZAM

E-TWZSM

E-FWZSM

Electroless Nickel Plating

E-FWZAA

Aluminum Alloy

Clear Anodized

E-FWZAAB

Black Anodized

E-WZAS

E-TWZAS

E-FWZAS

E-TWZSS

E-FWZSS

Austenitic stainless steel

E-FWZACH

General structural steel or carbon steel

45～50HRC

E-WZABH

E-FWZABH

Ferroferric Oxide Protective Film

E-WZAMH

E-FWZAMH

Electroless Nickel Plating

E-FWZASK

Alloy tool steel or bearing steel

55HRC～

E-FWZASKB

Ferroferric Oxide Protective Film

E-FWZASKM

Electroless Nickel Plating

E-WZASH

E-FWZASH

Martensitic stainless steel

45～50HRC

Specification Table

Part Number

0.5mm increments

－Standard Grade－
E-FWZASS
E-FWZAC
E-FWZAB
E-FWZAM
E-FWZAA
E-FWZAAB
E-FWZAS

E-FWZACH
E-FWZABH
E-FWZAMH
E-FWZASK
E-FWZASKB
E-FWZASKM
E-FWZASH

10.0～20.0
(0.5mm increments)

5.0~90.0

3.0~88.0

1.0~48.0

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

21～30
(1mm increments)

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

31～40
(1mm increments)

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

41～50
(1mm increments)

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

51～60
(1mm increments)

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

61～80
(1mm increments)

5.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

81～100
(1mm increments)

5.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

Machining Conditions

D	V	P
For 10-60	V≤D－2	P ≤ V － 2
For 61-100	V≤D－4	P ≤ V － 4

Machining Conditions of SKS3 Material

D	V	P
For 10	V≤D－2	P ≤ V － 2
For 10.5-30	V≤D－4
For 31-60	V≤D－6
For 61-80	V≤D－8	P ≤ V － 4
For 81-100	V≤D－10	P ≤ V － 4

2≤(T-H)≤P×8 The shaft diameter is 2mm or more and P×8 or less.

■Custom Dimensions-Precision Grade

Part Number

0.5mm increments

－Precision Grade－
E-FWZSC
E-FWZSB
E-FWZSM
*E-FWZSS

10.0～20.0
(0.5mm increments)

5.0~58.0

3.0~56.0

1.0~48.0

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

21～30
(1mm increments)

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

31～40
(1mm increments)

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

41～50
(1mm increments)

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

51～60
(1mm increments)

3.0~10.0

10.5~20.0

20.5~30.0

30.5~40.0

40.5~50.0

Machining Conditions of Austenitic Stainless Steel T≥3.5

D	V	P
For 10-60	V≤D－2	P ≤ V － 2
For 61-100	V≤D－4	P ≤ V － 4

2≤(T-H)≤P×8 The shaft diameter is 2mm or more and P×8 or less.

■T dimension selectable

Part Number		H	T Selection						V	P
Type	D	H	T Selection						V	P
E-WZAB E-WZAM E-WZAS E-WZABH E-WZAMH E-ＷZASH	10	4	6	8	10				6	3.5
	12	5		8	10				8	4.5
	14	6		8	10				10	5.5
	15	8			10	12			11	6.5
	20	8			10	12	15		11	6.5
	30	10				12	15		14	9
	40	12					15	20	18	11
	50	12					15	20
	60	12					15	20

■T dimension configurable

Part Number		H 0.5mm increments	T 0.5mm increments	V	P
Type	D
-Standard Grade- E-TWZAB E-TWZAM E-TWZAS -Precision Grade- E-TWZSB E-TWZSM E-TWZSS	10	1.0~18.0	3.0~10.0	6	3.5
			10.5~20.0
	12		3.0~10.0	8	4.5
			10.5~20.0
	14		3.0~10.0	10	5.5
			10.5~20.0
	15		3.0~10.0	11	6.5
			10.5~20.0
	20		3.0~10.0
			10.5~20.0
	30		3.0~10.0	14	9
			10.5~20.0
			Machining Conditions H+2≤T≤P×8

Product Features

Feature 1: There is a wide range of options for inner and outer diameters and thickness, and for the T dimension configurable type, the thickness can be specified in 0.5mm increments.
Feature 2: High-precision products made by cutting and machining can realize high-precision spatial adjustment.
Feature 3: Compared with standard washers, metal washers will not be dented after the connected part is screwed in due to the locking, and cause the bolts to loosen.
Feature 4: Compared with standard stamped washers, metal washers increase the friction with the mounting part, which can prevent loosening.

Usage Method

Example of use for securing the seat surface
■The bolt connection is stable.


Example of use for anti-loosening			Example of use for reinforcement of soft materials
■ By increasing the seat surface to increase friction, it is not prone to loosening.			■ Prevent the bolts from sinking in.


Example of use as spring washer

Precautions

①When D=16 or less, chamfer C is 0.2 or less.
When D=20 or more, chamfer C is 0.5 or less.
②Metal washer is a turned product, not a stamped part.
③When the relative humidity of the operating environment is high and certain anti-rust ability is required, please choose products with electroless nickel plating surface treatment or stainless steel SUS3 series materials.
④When the operating environment requires certain abrasion resistance and hardness for metal washers, please give priority to metal washer quenched products.

Example of Use

Application Industries

Smart Phones	Electronic & Electrical	Lithium battery

Automotive	Robotics	Medical

Related Documents

Examples of using metal washer/collars		ClickExamples of using metal washer/collars
Anti-rust performance and maintenance of metal materials and surface treatment		ClickAnti-rust performance and maintenance of metal materials and surface treatment

: 30; 45; 60

Part Number
E-FWZAA-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAA-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAAB-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAAB-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAB-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAB-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZABH-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZABH-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAC-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAC-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZACH-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZACH-D[21-50/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAM-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAM-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAMH-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAMH-D[21-50/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAS-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZAS-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASH-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASH-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASK-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASK-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASKB-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASKB-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASKM-D[10-20/0.5]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASKM-D[21-100/1]-V[5-90/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASS-D[10-20/0.5]-V[5-96/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZASS-D[21-100/1]-V[5-96/0.5]-P[3-88/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZSB-D[10-20/0.5]-V[5-58/0.5]-P[3-48/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZSB-D[21-60/1]-V[5-58/0.5]-P[3-48/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZSC-D[10-20/0.5]-V[5-58/0.5]-P[3-48/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZSC-D[21-60/1]-V[5-58/0.5]-P[3-48/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZSM-D[10-20/0.5]-V[5-50/0.5]-P[3-48/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZSM-D[21-60/1]-V[5-50/0.5]-P[3-48/0.5]-H[1-48/0.5]-T[3-50/0.5]
E-FWZSS-D[10-20/0.5]-V[5-58/0.5]-P[3-48/0.5]-H[1-48/0.5]-T[3.5-50/0.5]
E-FWZSS-D[21-60/1]-V[5-58/0.5]-P[3-48/0.5]-H[1-48/0.5]-T[3.5-50/0.5]
E-TWZAB10-[1-18/0.5]-[3-20/0.5]
E-TWZAB12-[1-18/0.5]-[3-20/0.5]
E-TWZAB14-[1-18/0.5]-[3-20/0.5]
E-TWZAB15-[1-18/0.5]-[3-20/0.5]
E-TWZAB20-[1-18/0.5]-[3-20/0.5]
E-TWZAB30-[1-18/0.5]-[3-20/0.5]
E-TWZAM10-[1-18/0.5]-[3-20/0.5]
E-TWZAM12-[1-18/0.5]-[3-20/0.5]
E-TWZAM14-[1-18/0.5]-[3-20/0.5]
E-TWZAM15-[1-18/0.5]-[3-20/0.5]
E-TWZAM20-[1-18/0.5]-[3-20/0.5]
E-TWZAM30-[1-18/0.5]-[3-20/0.5]
E-TWZAS10-[1-18/0.5]-[3-20/0.5]
E-TWZAS12-[1-18/0.5]-[3-20/0.5]
E-TWZAS14-[1-18/0.5]-[3-20/0.5]
E-TWZAS15-[1-18/0.5]-[3-20/0.5]
E-TWZAS20-[1-18/0.5]-[3-20/0.5]
E-TWZAS30-[1-18/0.5]-[3-20/0.5]
E-TWZSB10-[1-18/0.5]-[3-20/0.5]
E-TWZSB12-[1-18/0.5]-[3-20/0.5]
E-TWZSB14-[1-18/0.5]-[3-20/0.5]
E-TWZSB15-[1-18/0.5]-[3-20/0.5]
E-TWZSB20-[1-18/0.5]-[3-20/0.5]
E-TWZSB30-[1-18/0.5]-[3-20/0.5]

Standard Unit Price	Minimum order quantity	Days to Ship	O.D. (mm)	I.D. (mm)	Material	Surface Treatment	Thickness / Length Tolerance	Hardness (HRC)	Accuracy	Counterbored Hole Inner Dia. P	Counterbored Hole Depth H (mm)	Size Specified Method	Counterbore Depth H (mm)	Inner Dia. P (Ø)	Counterbored Hole Dia. V (φ)	Counterbore Diameter V (φ)	Thickness T (T Configurable) (mm)	Thickness T (T Selectable) or Counterbored Hole Depth H (T Configurable) (mm)	Thickness T (Custom Dimensions) (mm)	O.D. D (φ)
-	1 Piece(s)	9 Day(s)	-	-	[Aluminum] Aluminum Alloy	Anodize (Clear)	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	9 Day(s)	-	-	[Aluminum] Aluminum Alloy	Anodize (Clear)	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	9 Day(s)	-	-	[Aluminum] Aluminum Alloy	Anodize (Black)	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	9 Day(s)	-	-	[Aluminum] Aluminum Alloy	Anodize (Black)	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	45～50HRC	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	45～50HRC	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Not Provided	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Not Provided	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Not Provided	±0.1	45～50HRC	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Not Provided	±0.1	45～50HRC	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 50
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	45～50HRC	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	45～50HRC	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 50
-	1 Piece(s)	7 Day(s)	-	-	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Stainless Steel] SUS440C or equivalent high hardness corrosion resistant steel	Not Provided	±0.1	45～50HRC	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Stainless Steel] SUS440C or equivalent high hardness corrosion resistant steel	Not Provided	±0.1	45～50HRC	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] Alloy tool steel or bearing steel	Not Provided	±0.1	55HRC～	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] Alloy tool steel or bearing steel	Not Provided	±0.1	55HRC～	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] Alloy tool steel or bearing steel	Black Oxide	±0.1	55HRC～	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] Alloy tool steel or bearing steel	Black Oxide	±0.1	55HRC～	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] Alloy tool steel or bearing steel	Electroless Nickel Plating	±0.1	55HRC～	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] Alloy tool steel or bearing steel	Electroless Nickel Plating	±0.1	55HRC～	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 90	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Not Provided	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 96	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Not Provided	±0.1	Without Quenching	Normal	-	-	Custom dimensions	1 ～ 48	3 ～ 88	-	5 ～ 96	-	-	3 ～ 50	21 ～ 100
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.01	Without Quenching	Precision Grade	-	-	Custom dimensions	1 ～ 48	3 ～ 48	-	5 ～ 58	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.01	Without Quenching	Precision Grade	-	-	Custom dimensions	1 ～ 48	3 ～ 48	-	5 ～ 58	-	-	3 ～ 50	21 ～ 60
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Not Provided	±0.01	Without Quenching	Precision Grade	-	-	Custom dimensions	1 ～ 48	3 ～ 48	-	5 ～ 58	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Not Provided	±0.01	Without Quenching	Precision Grade	-	-	Custom dimensions	1 ～ 48	3 ～ 48	-	5 ～ 58	-	-	3 ～ 50	21 ～ 60
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.01	Without Quenching	Precision Grade	-	-	Custom dimensions	1 ～ 48	3 ～ 48	-	5 ～ 50	-	-	3 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.01	Without Quenching	Precision Grade	-	-	Custom dimensions	1 ～ 48	3 ～ 48	-	5 ～ 50	-	-	3 ～ 50	21 ～ 60
-	1 Piece(s)	7 Day(s)	-	-	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.01	Without Quenching	Precision Grade	-	-	Custom dimensions	1 ～ 48	3 ～ 48	-	5 ～ 58	-	-	3.5 ～ 50	10 ～ 20
-	1 Piece(s)	7 Day(s)	-	-	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.01	Without Quenching	Precision Grade	-	-	Custom dimensions	1 ～ 48	3 ～ 48	-	5 ～ 58	-	-	3.5 ～ 50	21 ～ 60
-	1 Piece(s)	7 Day(s)	10	3.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	Without Quenching	Normal	3.5	-	T configurable	-	-	6	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	12	4.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	Without Quenching	Normal	4.5	-	T configurable	-	-	8	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	14	5.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	Without Quenching	Normal	5.5	-	T configurable	-	-	10	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	15	6.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	Without Quenching	Normal	6.5	-	T configurable	-	-	11	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	20	6.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	Without Quenching	Normal	6.5	-	T configurable	-	-	11	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	30	9	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.1	Without Quenching	Normal	9	-	T configurable	-	-	14	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	10	3.5	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	Without Quenching	Normal	3.5	-	T configurable	-	-	6	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	12	4.5	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	Without Quenching	Normal	4.5	-	T configurable	-	-	8	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	14	5.5	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	Without Quenching	Normal	5.5	-	T configurable	-	-	10	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	15	6.5	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	Without Quenching	Normal	6.5	-	T configurable	-	-	11	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	20	6.5	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	Without Quenching	Normal	6.5	-	T configurable	-	-	11	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	30	9	[Steel] General Structural Steel or Carbon Steel	Electroless Nickel Plating	±0.1	Without Quenching	Normal	9	-	T configurable	-	-	14	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	10	3.5	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.1	Without Quenching	Normal	3.5	-	T configurable	-	-	6	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	12	4.5	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.1	Without Quenching	Normal	4.5	-	T configurable	-	-	8	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	14	5.5	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.1	Without Quenching	Normal	5.5	-	T configurable	-	-	10	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	15	6.5	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.1	Without Quenching	Normal	6.5	-	T configurable	-	-	11	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	20	6.5	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.1	Without Quenching	Normal	6.5	-	T configurable	-	-	11	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	30	9	[Stainless Steel] Austenitic stainless steel	Not Provided	±0.1	Without Quenching	Normal	9	-	T configurable	-	-	14	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	10	3.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.01	Without Quenching	Precision Grade	3.5	-	T configurable	-	-	6	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	12	4.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.01	Without Quenching	Precision Grade	4.5	-	T configurable	-	-	8	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	14	5.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.01	Without Quenching	Precision Grade	5.5	-	T configurable	-	-	10	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	15	6.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.01	Without Quenching	Precision Grade	6.5	-	T configurable	-	-	11	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	20	6.5	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.01	Without Quenching	Precision Grade	6.5	-	T configurable	-	-	11	-	3 ～ 20	1 ～ 18	-	-
-	1 Piece(s)	7 Day(s)	30	9	[Steel] General Structural Steel or Carbon Steel	Black Oxide	±0.01	Without Quenching	Precision Grade	9	-	T configurable	-	-	14	-	3 ～ 20	1 ～ 18	-	-

Basic Information

I.D. Shape	Counterbored	I.D. Tolerance	+0.3~+0.1	O.D. Tolerance	0~-0.2
Sale Type	Single Item

Configure

126 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

O.D.(mm)
10

12

14

15

20

30

40

50

60
Clear
I.D.(mm)
3.5

4.5

5.5

6.5

9

11
Clear
Material
- Steel
  - Alloy tool steel or bearing steel
  - General Structural Steel or Carbon Steel
- Stainless Steel
  - SUS440C or equivalent high hardness corrosion resistant steel
  - Austenitic stainless steel
- Aluminum
  - Aluminum Alloy
Clear
Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Anodize (Clear)
- Anodize (Black)
Clear
Thickness / Length Tolerance
±0.01

±0.1
Clear
Hardness(HRC)
- 45～50HRC
- 55HRC～
- Without Quenching
Clear
Accuracy
- Normal
- Precision Grade
Clear
Counterbored Hole Inner Dia. P
- 3.5
- 4.5
- 5.5
- 6.5
- 9
- 11
Clear
Counterbored Hole Depth H(mm)
4

5

6

8

10

12
Clear
Size Specified Method
- Custom dimensions
- T configurable
- T selectable
Clear
Counterbore Depth H(mm)
[1-48/0.5mm Unit(s)]
Clear
Inner Dia. P(Ø)
[3-88/0.5Ø Unit(s)]
Clear
Counterbored Hole Dia. V(φ)
- 6
- 8
- 10
- 11
- 14
- 18
Clear
Counterbore Diameter V(φ)
[5-96/0.5φ Unit(s)]
Clear
Thickness T (T Configurable)(mm)
[3-20/0.5mm Unit(s)]
Clear
Thickness T (T Selectable) or Counterbored Hole Depth H (T Configurable)(mm)
6

8

10

12

15

20
[1-18/0.5mm Unit(s)]
Clear
Thickness T (Custom Dimensions)(mm)
[3-50/0.5mm Unit(s)]
Clear
O.D. D(φ)
[10-20/0.5φ Unit(s)][21-100/1φ Unit(s)]
Clear
type
- E-FWZAA
- E-FWZAAB
- E-FWZAB
- E-FWZABH
- E-FWZAC
- E-FWZACH
- E-FWZAM
- E-FWZAMH
- E-FWZAS
- E-FWZASH
- E-FWZASK
- E-FWZASKB
- E-FWZASKM
- E-FWZASS
- E-FWZSB
- E-FWZSC
- E-FWZSM
- E-FWZSS
- E-TWZAB
- E-TWZAM
- E-TWZAS
- E-TWZSB
- E-TWZSM
- E-TWZSS
- E-WZAB
- E-WZABH
- E-WZAM
- E-WZAMH
- E-WZAS
- E-WZASH
Clear

Days to Ship

All

7 Day(s) or Less

9 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Ultra short head hex socket bolt	Adjustment Screw Components Hex Head Stud	Axle Pin Bolt

Representative model: CBSA6-12	Representative model: ANH4-20	Representative model: DBTS6-3-10
Advantages: space saving, sufficient stock	Advantages: Front end hardened, optional length	Advantages: Accurate positioning, high shaft precision

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Metal Washers Counterbored Hole

Basic Information

Configure

Specification/Dimensions

O.D.(mm)

I.D.(mm)

Material

Surface Treatment

Thickness / Length Tolerance

Hardness(HRC)

Accuracy

Counterbored Hole Inner Dia. P

Counterbored Hole Depth H(mm)

Size Specified Method

Counterbore Depth H(mm)

Inner Dia. P(Ø)

Counterbored Hole Dia. V(φ)

Counterbore Diameter V(φ)

Thickness T (T Configurable)(mm)

Thickness T (T Selectable) or Counterbored Hole Depth H (T Configurable)(mm)

Thickness T (Custom Dimensions)(mm)

O.D. D(φ)

type

Days to Ship

Specify Alterations

Additional Products in this Category

Tech Support

Payment Method

About MISUMI

About this Website

Useful Tools

Customer Service

Social Media

MISUMI Contact 9am – 6pm (Mon – Fri) * Order cut-off time is 5pm, 9am – 1pm(Sat) * Order cut-off time is 12pm