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Ultra Low Head Hex Socket Head Cap Screws【50 Pieces Per Package】
- Volume Discount
- Economy series Ultra Low Head Hexagon Socket Head Cap Screws
- Part number for series including of C-CBSA and C-CBSS.
- Basic Shape: Standard (Round)
- Head Shape : Low Head
- Mounting Hole Shape: Hex Socket.
- Bolt Material: Steel SCM435 Equivalent
- Surface Treatment: Trivalent Chromate and Black Phosphate Treatment
- Nominal Thread (M): 2.5, 3, 4, 5 and 6.
- Hardness: 32~ 39 HRC
- Strength: 10.9
- Head Strength: 5.8
- Sales unit: Pack (the quantity = 50 Pcs/Pack)
(i)Caution
- Please refer the screw head size according to Specification Table instead of CAD drawing.
Part Number
Configured Part Number is shown.
Economy Ultra Low Head Hex Socket Head Cap Screws
- Ultra-low head design reduces head height for a sleek, space-saving solution.
- Engineered from SCM435 material, these screws boast a strength class of 10.9, ensuring durability and reliability.
- Choose the perfect thread length to meet your specific design needs, offering flexibility in various applications.
- Available with Trivalent Chromate and Black Phosphate treatments for enhanced corrosion resistance and aesthetic appeal.
- Most models are in stock and ready for same-day shipping, so you can get the parts you need without delay.
MISUMI Standard
Cheaper Price
Product Variety
3D CAD Support
Product Overview of Space Saving Bolts
Product Feature of Space Saving Bolts
Feature of Space Saving Bolts 2: For SCM435 material, strength class is up to 10.9.
Feature of Space Saving Bolts 3: According to the actual design needs, the thread length can be freely specified in the range.
Feature of Space Saving Bolts 4: Screw material is SCM435 only.
Feature of Space Saving Bolts 5: Most of the models are in stock, allowing same-day shipment.
Dimensional Drawing of Space Saving Bolts
Specifications Overview of Space Saving Bolts
| TYPE |  Material of Space Saving Bolts |  Hardness |  Surface Treatment | Strength | Head Strength | |
| C-CBSS | SCM435 equivalent | 32 to 39HRC | Phosphate Treatment | 10.9 | 5.8 | |
| C-CBSA | Trivalent Chromate Treatment | |||||
Example Use of Space Saving Bolts
Stackable workpiece fixture.
Mechanism function of Space Saving Bolts:
Fixture used to fix the workpiece before the bonding material is hardened.
Role of ultra short head hex socket bolts:
After the ultra short head hex socket bolts are used, the four points can be in a plane, and the thickness of the bolt head is thinner, which saves counterbore space and allows stacking on top.
Application Industries of Space Saving Bolts
| Electronic & Electrical Appliances | Smart phone | Medical | ||
 |  |  | ||
| Robotics | Semiconductor | Lithium battery | ||
 |  |  |
Precautions of Space Saving Bolts
② One type of material is available: SCM435.
③ The recommended tightening torque varies with the material and the screw diameter. Note that the tightening torque should not be too large, otherwise screw slippage will occur.
For detailed parameters, refer to overview of space-saving bolts, Space Saving Bolts.
④ For the surface treatment of CBSA type, there may be slight difference in color depending on the batch.
Related Products of Space Saving Bolts
| Ultra-low head bolt Hex socket on head | Round Post | Hex Post | ||
 |  |  | ||
| Typical Space Saving Bolts model: CBSKE5-16 | Typical Space Saving Bolts model: PETGR10-150 | Typical Space Saving Bolts model: LSBRK13-100 | ||
| Advantages of Space Saving Bolts: space saving, sufficient stock | Advantages of Space Saving Bolts: easy to mount, suitable for tight spaces | Advantages of Space Saving Bolts: easy to mount, suitable for tight spaces |
Specification Table of Space Saving Bolts
to 
. | Part Number (Type· M) | － | L | |
| C-CBSA3 | － | 6 |
| Part Number | L Selection | MxP | A | B | E | t max. | (e) max. | r | ||||||||
| Type | M (Coarse Thread) | |||||||||||||||
| C-CBSS C-CBSA | 2.5 | 4 | 5 | 6 | 8 | 2.5×0.45 | 5 | 1.3 | 1.3 | 1.5 | 1.5 | Above 0.1 | ||||
| 3 | 4 | 5 | 6 | 8 | 10 | 3×0.5 | 6 | 1.5 | 1.3 | 2 | 1.6 | |||||
| 4 | 6 | 8 | 10 | 12 | 4×0.7 | 8 | 2 | 1.5 | 2.5 | 1.6 | Above 0.2 | |||||
| 5 | 6 | 8 | 10 | 12 | 16 | 5×0.8 | 9 | 3 | 1.5 | 3 | 2 | |||||
| 6 | 8 | 10 | 12 | 16 | 20 | 6×1.0 | 10 | 3 | 1.5 | 4 | 2.5 | Above 0.25 | ||||
Part Number
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| Part Number | Standard Unit Price | Number of pc(s). included in pkg. | Minimum order quantity | Volume Discount | Days to Ship | Nominal of Thread (M) | Length L (mm) | SurfaceTreatment |
|---|---|---|---|---|---|---|---|---|
MYR 20.44 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 2.5 | 4 | [Trivalent Chromate] Trivalent Chromate | |
MYR 20.44 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 2.5 | 5 | [Trivalent Chromate] Trivalent Chromate | |
MYR 16.10 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 2.5 | 6 | [Trivalent Chromate] Trivalent Chromate | |
MYR 16.95 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 2.5 | 8 | [Trivalent Chromate] Trivalent Chromate | |
MYR 14.33 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 3 | 4 | [Trivalent Chromate] Trivalent Chromate | |
MYR 14.33 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 3 | 5 | [Trivalent Chromate] Trivalent Chromate | |
MYR 14.33 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 3 | 6 | [Trivalent Chromate] Trivalent Chromate | |
MYR 18.67 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 3 | 8 | [Trivalent Chromate] Trivalent Chromate | |
MYR 19.54 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 3 | 10 | [Trivalent Chromate] Trivalent Chromate | |
MYR 15.20 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 4 | 6 | [Trivalent Chromate] Trivalent Chromate | |
MYR 16.10 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 4 | 8 | [Trivalent Chromate] Trivalent Chromate | |
MYR 16.97 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 4 | 10 | [Trivalent Chromate] Trivalent Chromate | |
MYR 21.35 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 4 | 12 | [Trivalent Chromate] Trivalent Chromate | |
MYR 20.44 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 5 | 6 | [Trivalent Chromate] Trivalent Chromate | |
MYR 21.35 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 5 | 8 | [Trivalent Chromate] Trivalent Chromate | |
MYR 19.56 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 5 | 10 | [Trivalent Chromate] Trivalent Chromate | |
MYR 21.35 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 5 | 12 | [Trivalent Chromate] Trivalent Chromate | |
MYR 27.42 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 5 | 16 | [Trivalent Chromate] Trivalent Chromate | |
MYR 24.82 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 6 | 8 | [Trivalent Chromate] Trivalent Chromate | |
MYR 22.19 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 6 | 10 | [Trivalent Chromate] Trivalent Chromate | |
MYR 25.69 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 6 | 12 | [Trivalent Chromate] Trivalent Chromate | |
MYR 32.68 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 6 | 16 | [Trivalent Chromate] Trivalent Chromate | |
MYR 36.20 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 6 | 20 | [Trivalent Chromate] Trivalent Chromate | |
MYR 20.44 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 2.5 | 4 | Phosphate Treatment | |
MYR 20.44 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 2.5 | 5 | Phosphate Treatment | |
MYR 16.10 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 2.5 | 6 | Phosphate Treatment | |
MYR 16.95 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 2.5 | 8 | Phosphate Treatment | |
MYR 14.33 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 3 | 4 | Phosphate Treatment | |
MYR 14.33 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 3 | 5 | Phosphate Treatment | |
MYR 14.33 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 3 | 6 | Phosphate Treatment | |
MYR 14.33 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 3 | 8 | Phosphate Treatment | |
MYR 19.54 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 3 | 10 | Phosphate Treatment | |
MYR 15.20 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 4 | 6 | Phosphate Treatment | |
MYR 16.10 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 4 | 8 | Phosphate Treatment | |
MYR 16.97 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 4 | 10 | Phosphate Treatment | |
MYR 21.35 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 4 | 12 | Phosphate Treatment | |
MYR 20.44 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 5 | 6 | Phosphate Treatment | |
MYR 16.97 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 5 | 8 | Phosphate Treatment | |
MYR 19.56 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 5 | 10 | Phosphate Treatment | |
MYR 21.35 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 5 | 12 | Phosphate Treatment | |
MYR 27.42 | 50 Pieces Per Package | 2 Pack(s) | Available | 5 Day(s) | 5 | 16 | Phosphate Treatment | |
MYR 19.56 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 6 | 8 | Phosphate Treatment | |
MYR 22.19 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 6 | 10 | Phosphate Treatment | |
MYR 25.69 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 6 | 12 | Phosphate Treatment | |
MYR 25.69 | 50 Pieces Per Package | 1 Pack(s) | Available | 1 Day(s) | 6 | 16 | Phosphate Treatment | |
MYR 36.20 | 50 Pieces Per Package | 1 Pack(s) | Available | 5 Day(s) | 6 | 20 | Phosphate Treatment |
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Basic Information
| Detailed Shape | Ultra Low Head | Mounting Hole Shape | Hex Socket | Material | SCM435 Equivalent |
|---|---|---|---|---|---|
| Basic Shape | Standard (Round) | Thread Type | Metric, Coarse | Application | Standard |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: What are the types of space-saving bolts?
- Answer: Mainly divided into low head bolts and ultra low head bolts, according to the thickness of the bolt head. Among them, the thinnest head is only 1mm thick, which can save up to 80% of the space compared to standard bolts (5mm).
- Question: What are the types of ultra low head bolts?
- Answer: Mainly divided into hex socket type, hex head type and star hole type, according to the different installation methods. For the matching wrenches required for tightening the hex socket type and star hole type, refer to Matching Wrenches.
- Question: Which parts and components sold by MISUMI are generally used for ultra low head bolts?
- Answer: Recommended for use with hex posts, round posts and linear guide shafts.
- Question: What is the strength class of the ultra low head bolt?
- Answer: The product strength of SCM435 (equivalent) is classified as 10.9.
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- Black Hex Low Head Screw - Fully Threaded
- Sun Lock (+) Plate Small Head (D=6) (D=8)
- Iron Lamix B-type Thin Head (D = 3.0) H2 Type Nitto Seiko
- Stainless Steel Super Low Bow Hex Bolt
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