Socket Head Cap Screws (Bolts)

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What are Hex Socket Head Cap Screws?

A socket head cap screw is a type of bolt with a hexagonal recess in its head.
It is also commonly referred to as a cap bolt or cap screw.
By inserting a hex key into the hexagonal socket and applying torque across all six sides, the screw can be tightened with high strength and is less likely to loosen.
Compared to using a screwdriver or spanner, it requires less working space, making it suitable for installation in confined areas.
They are widely used in various fields, including industrial equipment and machinery.

The main types include:
1. Socket Head Cap Screws
This is the most common type, featuring a cylindrical head. It is suitable for applications requiring high strength and high torque.

2. Socket Button Head Screws
With a low-profile, rounded head, they are ideal for panels and exterior parts where appearance is important.
In addition, the curved head surface helps suppress electric field concentration at the edges, making them less likely to cause discharge or leakage than cap screws in high-voltage equipment or environments with a risk of discharge
(such as vacuum equipment, electron beam equipment, and X-ray equipment).

3. Socket Flat Head Screws
The flat, countersunk head allows a flush finish with the fastening surface, making them ideal for locations where a protruding head must be avoided.

4. Socket Set Screws (Hollow Set Screws, Grub Screws)
These screws consist only of a threaded section without a head and are used to secure or position components by pressing the tip against a mating part.

Related articles:What are Hex Socket Head Cap Screws (cap bolts)?

We have Socket Head Cap Screws with various kind of materials, surface treatments and characteristics.
Selection Conditions
  • Select screw length(mm)60
Image Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws
Part Name Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws Socket Head Cap Screws
Part Number SNS-M8-60 SNS-M10-60 SNS-M12-60 SNS-M16-60 SNS-M8-60-TZB SNS-M10-60-TZB SNS-M12-60-TZB SNS-M16-60-TZB SNSS-M16-60
Feature Hex Socket Head Cap Screws
Conforming to JIS B 1176
Hex Socket Head Cap Screws
Conforming to JIS B 1176
Hex Socket Head Cap Screws
Conforming to JIS B 1176
Hex Socket Head Cap Screws
Conforming to JIS B 1176
Hex Socket Head Cap Screws
Conforming to JIS B 1176
Hex Socket Head Cap Screws
Conforming to JIS B 1176
Hex Socket Head Cap Screws
Conforming to JIS B 1176
Hex Socket Head Cap Screws
Conforming to JIS B 1176
Hex Socket Head Cap Screws
Conforming to JIS B 1176
Price From 36.37 USD From 29.51 USD From 20.09 USD From 4.66 USD From 74.43 USD From 25.56 USD From 42.02 USD From 6.02 USD From 8.32 USD
Material Steel Steel Steel Steel Steel Steel Steel Steel SUSXM7 (Equivalent to SUS304)
Thread Size M8 M10 M12 M16 M8 M10 M12 M16 M16
Length 60 60 60 60 60 60 60 60 60
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
Image Socket Head Cap Screws / Fine Thread Hex Socket Head Cap Screws - Full Thread Hex Socket Head Cap Screws - Full Thread Hex Socket Head Cap Screws - Full Thread Hex Socket Head Cap Screws - Full Thread Hex Socket Head Cap Screws - Full Thread Plastic Fully Threaded Socket Head Cap Screws - PEEK Plastic Fully Threaded Socket Head Cap Screws - PEEK Plastic Fully Threaded Socket Head Cap Screws - PEEK
Part Name Socket Head Cap Screws / Fine Thread Hex Socket Head Cap Screws - Full Thread Hex Socket Head Cap Screws - Full Thread Hex Socket Head Cap Screws - Full Thread Hex Socket Head Cap Screws - Full Thread Hex Socket Head Cap Screws - Full Thread Plastic Fully Threaded Socket Head Cap Screws - PEEK Plastic Fully Threaded Socket Head Cap Screws - PEEK Plastic Fully Threaded Socket Head Cap Screws - PEEK
Part Number SNS-M16-P1.5-60 SNSS-M4-60-FT SNSS-M5-60-FT SNSS-M6-60-FT SNSS-M8-60-FT SNSS-M10-60-FT SPE-M4-60-C-FT SPE-M5-60-C-FT SPE-M6-60-C-FT
Feature Positioning
Loosening Countermeasures
Conforming to JIS B 1176
Standard Standard Standard Standard Standard Low Outgas
Heat Resistance
Chemical Resistance
Electrical Insulation
Full Thread
Low Outgas
Heat Resistance
Chemical Resistance
Electrical Insulation
Full Thread
Low Outgas
Heat Resistance
Chemical Resistance
Electrical Insulation
Full Thread
Price From 8.94 USD From 3.58 USD From 3.74 USD From 3.58 USD From 6.41 USD From 7.04 USD From 25.95 USD From 30.43 USD From 37.73 USD
Material Steel SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) PEEK PEEK PEEK
Thread Size M16 M4 M5 M6 M8 M10 M4 M5 M6
Length 60 60 60 60 60 60 60 60 60
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
Image Socket Head Cap Screws with Ultra Low Profile (Full Thread) Socket Head Cap Screws with Ultra Low Profile (Full Thread) Socket Head Cap Screws with Ultra Low Profile (Full Thread) Socket Head Cap Screws with Ultra Low Profile (Full Thread) Socket Head Cap Screws with Ultra Low Profile (Full Thread) Vented Socket Head Cap Screws Vented Socket Head Cap Screws Vented Socket Head Cap Screws Vented Socket Head Cap Screws - Chemical Polish
Part Name Socket Head Cap Screws with Ultra Low Profile (Full Thread) Socket Head Cap Screws with Ultra Low Profile (Full Thread) Socket Head Cap Screws with Ultra Low Profile (Full Thread) Socket Head Cap Screws with Ultra Low Profile (Full Thread) Socket Head Cap Screws with Ultra Low Profile (Full Thread) Vented Socket Head Cap Screws Vented Socket Head Cap Screws Vented Socket Head Cap Screws Vented Socket Head Cap Screws - Chemical Polish
Part Number SSHS-M4-60-FT SSHS-M5-60-FT SSHS-M6-60-FT SSHS-M8-60-FT SSHS-M10-60-FT SVSS-M8-60 SVSS-M10-60 SVSS-M12-60 SVSS-M8-60-PC
Feature Full Thread
Space-Saving
Ultra Low Profile
Full Thread
Space-Saving
Ultra Low Profile
Full Thread
Space-Saving
Ultra Low Profile
Full Thread
Space-Saving
Ultra Low Profile
Full Thread
Space-Saving
Ultra Low Profile
Standard Standard Standard Low Outgas
Price From 26.64 USD From 30 USD From 34.07 USD From 37.89 USD From 42.48 USD From 106.08 USD From 113.06 USD From 118.79 USD From 138.96 USD
Material SUS304 SUS304 SUS304 SUS304 SUS304 SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304)
Thread Size M4 M5 M6 M8 M10 M8 M10 M12 M8
Length 60 60 60 60 60 60 60 60 60
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
Image Vented Socket Head Cap Screws - Chemical Polish Vented Socket Head Cap Screws - Chemical Polish Clamping Bolts - Flat Ball Clamping Bolts - Flat Ball Clamping Bolts - Flat Ball - with Reversal Prevention Mechanism Clamping Bolts - Flat Ball - with Reversal Prevention Mechanism Clamping Bolts - Knurled Ball - with Reversal Prevention Mechanism Clamping Bolts - Knurled Ball - with Reversal Prevention Mechanism Clamping Bolts - Flat Ball
Part Name Vented Socket Head Cap Screws - Chemical Polish Vented Socket Head Cap Screws - Chemical Polish Clamping Bolts - Flat Ball Clamping Bolts - Flat Ball Clamping Bolts - Flat Ball - with Reversal Prevention Mechanism Clamping Bolts - Flat Ball - with Reversal Prevention Mechanism Clamping Bolts - Knurled Ball - with Reversal Prevention Mechanism Clamping Bolts - Knurled Ball - with Reversal Prevention Mechanism Clamping Bolts - Flat Ball
Part Number SVSS-M10-60-PC SVSS-M12-60-PC SCB-M10-60-F SCB-M16-60-F SCB-M10-60-FB SCB-M16-60-FB SCB-M10-60-GB SCB-M16-60-GB SCBS-M10-60-F
Feature Low Outgas Low Outgas Flat Ball Type Flat Ball Type Flat Ball
Limited Swivel Type
Flat Ball
Limited Swivel Type
Ratchet Ball
Limited Swivel Type
Ratchet Ball
Limited Swivel Type
Flat Ball Type
Price From 177.91 USD From 200.86 USD From 6.33 USD From 11.71 USD From 17.25 USD From 28.57 USD From 26.06 USD From 41.61 USD From 12.85 USD
Material SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) Steel Steel Steel Steel Steel Steel SUSXM7 (Equivalent to SUS304)
Thread Size M10 M12 M10 M16 M10 M16 M10 M16 M10
Length 60 60 60 60 60 60 60 60 60
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
Image Clamping Bolts - Flat Ball Clamping Bolts - Flat Ball - with Reversal Prevention Mechanism Clamping Bolts - Flat Ball - with Reversal Prevention Mechanism Clamping Bolts - Knurled Ball - with Reversal Prevention Mechanism Clamping Bolts - Knurled Ball - with Reversal Prevention Mechanism
Part Name Clamping Bolts - Flat Ball Clamping Bolts - Flat Ball - with Reversal Prevention Mechanism Clamping Bolts - Flat Ball - with Reversal Prevention Mechanism Clamping Bolts - Knurled Ball - with Reversal Prevention Mechanism Clamping Bolts - Knurled Ball - with Reversal Prevention Mechanism
Part Number SCBS-M16-60-F SCBS-M10-60-FB SCBS-M16-60-FB SCBS-M10-60-GB SCBS-M16-60-GB
Feature Flat Ball Type Flat Ball
Limited Swivel Type
Flat Ball
Limited Swivel Type
Ratchet Ball
Limited Swivel Type
Ratchet Ball
Limited Swivel Type
Price From 39.29 USD From 21.11 USD From 55.13 USD From 30.99 USD From 70.11 USD
Material SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304)
Thread Size M16 M10 M16 M10 M16
Length 60 60 60 60 60
Operating Temperature (℃) - - - - -
CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications