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Knob Plunger Standard Type Coarse Thread (C-PMXYA6M)


Product Overview
♢ Knob plunger is also known as indexing pin or indexing plunger. The pin can be pulled out or inserted by the operation knob for easy and fast positioning and for fixing mechanical elements of the workpiece.
  Suitable for fixture indexing, positioning, stop limit and other occasions.

Product Feature
♢ This series is standard knob plungers with coarse threads and the cone head available for the pin front. Depending on the installation, the plunger with lock nut can be selected.
♢ The operation method is generally divided into two types: reset and self-locking type.

Dimensional Drawing
Dimensional Drawing
Specifications Overview
ThreadTypeKnobBodyPinSpring(Lock nut)
Reset typeSelf-locking type Material Material Surface Treatment Material Material Material Surface Treatment
CoarseC-PMXAC-PMXYAA6061
(Black Anodized)
1215Blue Zinc PlatingSUS304SUS304--
C-PMXKC-PMXYK35#Blue Zinc Plating

Usage Method
How to operate the reset type and self-locking type
• Reset type
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the knob is released, the front end will return to the protruding state through the action of the built-in spring force.
How to operate the reset type
• Self-locking type
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the front end is rotated by 90° while maintaining the pull-out state, the retraction state of the front end can be locked.
4. To release the locked state, simply rotate 90° while maintaining the pulled-out state.
5. If the knob is released, the front end will return to the protruding state through the action of the built-in spring force.
How to operate the reset type

Example of Use
Example of Use -1 Example of Use -1
Used for indexing of the index plate Used for positioning of movable fixture

Specification Table
Part NumberThread Pitch
(Fine)
DD1BSLL1L2L3L4L5SW1SW2Load (N)
TypeMReset typeSelf-locking typemin.max.
 6M1126.94430.533124.5103.276104.39.5
Reset typeSelf-locking type8M1.25169.2554043.51661449.58134.312
C-PMXAC-PMXYA10M1.51811.5664952207.518510.510164.318
C-PMXKC-PMXYK12M1.752113.8885963.524922613.512184.320.5
kgf=N×0.101972

Part Number 

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Part Number
C-PMXYA6M
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipScrew Dia. M
(mm)
Tip Outer Dia. B
(Ø)
Stroke (S)
(mm)
Locking Mechanism Length L
(mm)
Accessories

MYR 15.74

5 Piece(s)Available 6 Day(s) 644[Nose Lock] Self-locking Type33No Locknut

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  1. 1

Basic Information

Type Standard Type Mounting Method Screw-In Body Material Steel
Overall Length Standard Pin Material Stainless Steel All Stainless Not Compliant
Pin Surface Treatment Not Provided Knob Provided Main Body Surface Treatment Zinc Plating

Please check the type/dimensions/specifications of the part C-PMXYA6M in the Knob Plunger Standard Type Coarse Thread series.

Frequently asked question (FAQ)

Question: Can the knob plunger withstand radial force?
Answer: The knob plunger is not recommended to bear radial cutting force, as it is prone to product damage and fracture, and generally, it can only bear axial force.
Question: What role does a ball plunger play?
Answer: It is a mechanical element part that can easily and quickly locate and fix the workpiece by operating the knob or the handle to pull out or insert the pin.
Early knob plungers were mainly used for parts used in the angular positioning of indexing devices.
In recent years, knob plunger has been more widely used, and become an indispensable mechanical element part of equipment and devices.
Question: What are the characteristics of fine thread type compared to coarse thread type?
Answer: Fine thread type is suitable for fine-tuning the ejection amount of the pin. More precise positioning is more possible compared to coarse thread type.
Question: What is the difference between reset type and self-locking type knob plungers?
Answer: The self-locking type can lock the front end by turning 90° after pulling out the knob while keeping the pulled state and turning 90° to release the lock.

Check other FAQ (1 items) Hide

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Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipScrew Dia. M
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Tip Outer Dia. B
(Ø)
Stroke (S)
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Locking Mechanism Length L
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