NBK logo

  • Special Screws
  • Socket Head Cap Screws

Clamping Bolts - Flat Ball

SCB-F

  • Fixing/Positioning

Hints for Correctly Using NBK Products

The video is an example using SCS-F(SCS-F). You can perform the same operation using this product.


Dimension Drawing

SCB-FClamping Bolts - Flat Ball寸法図

Specs/CAD

Select

M (Coarse)
Nominal of Thread
All
M4
M5
M6
M8
M10
M12
M16

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch L D1 D d (Reference Value) L1 B Mass
(g)
Max. Allowable Load (N) CAD
Download
RFQ
SCB-M4-10-F M4 0.7 10 7 2.5 1.9 4 3 1.5 3500 CAD RFQ
SCB-M4-12-F M4 0.7 12 7 2.5 1.9 4 3 1.7 3500 CAD RFQ
SCB-M4-16-F M4 0.7 16 7 2.5 1.9 4 3 1.9 3500 CAD RFQ
SCB-M4-20-F M4 0.7 20 7 2.5 1.9 4 3 2.2 3500 CAD RFQ
SCB-M4-25-F M4 0.7 25 7 2.5 1.9 4 3 2.5 3500 CAD RFQ
SCB-M5-12-F M5 0.8 12 8.5 3 2.4 5 4 2.9 5000 CAD RFQ
SCB-M5-16-F M5 0.8 16 8.5 3 2.4 5 4 3.4 5000 CAD RFQ
SCB-M5-20-F M5 0.8 20 8.5 3 2.4 5 4 3.9 5000 CAD RFQ
SCB-M5-25-F M5 0.8 25 8.5 3 2.4 5 4 4.4 5000 CAD RFQ
SCB-M5-30-F M5 0.8 30 8.5 3 2.4 5 4 5 5000 CAD RFQ
SCB-M6-16-F M6 1 16 10 4 3.1 6 5 5.6 9000 CAD RFQ
SCB-M6-20-F M6 1 20 10 4 3.1 6 5 6.5 9000 CAD RFQ
SCB-M6-25-F M6 1 25 10 4 3.1 6 5 7.6 9000 CAD RFQ
SCB-M6-30-F M6 1 30 10 4 3.1 6 5 8.7 9000 CAD RFQ
SCB-M6-40-F M6 1 40 10 4 3.1 6 5 11 9000 CAD RFQ
SCB-M8-20-F M8 1.25 20 13 5.56 4.4 8 6 13.5 15000 CAD RFQ
SCB-M8-30-F M8 1.25 30 13 5.56 4.4 8 6 17.5 15000 CAD RFQ
SCB-M8-35-F M8 1.25 35 13 5.56 4.4 8 6 19 15000 CAD RFQ
SCB-M8-40-F M8 1.25 40 13 5.56 4.4 8 6 21.5 15000 CAD RFQ
SCB-M8-50-F M8 1.25 50 13 5.56 4.4 8 6 25 15000 CAD RFQ
SCB-M10-25-F M10 1.5 25 16 7 5.9 10 8 26 24000 CAD RFQ
SCB-M10-30-F M10 1.5 30 16 7 5.9 10 8 29 24000 CAD RFQ
SCB-M10-40-F M10 1.5 40 16 7 5.9 10 8 34 24000 CAD RFQ
SCB-M10-50-F M10 1.5 50 16 7 5.9 10 8 39 24000 CAD RFQ
SCB-M10-60-F M10 1.5 60 16 7 5.9 10 8 47 24000 CAD RFQ
SCB-M12-30-F M12 1.75 30 18 8.5 7.1 12 10 40 30000 CAD RFQ
SCB-M12-50-F M12 1.75 50 18 8.5 7.1 12 10 56 30000 CAD RFQ
SCB-M12-80-F M12 1.75 80 18 8.5 7.1 12 10 83 30000 CAD RFQ
SCB-M16-40-F M16 2 40 24 12 10.4 16 14 91 73000 CAD RFQ
SCB-M16-60-F M16 2 60 24 12 10.4 16 14 122 73000 CAD RFQ
SCB-M16-80-F M16 2 80 24 12 10.4 16 14 154 73000 CAD RFQ
Part Number M (Coarse)
Nominal of Thread
Pitch L D1 D d (Reference Value) L1 B Mass
(g)
Max. Allowable Load (N) CAD
Download
RFQ
SCB-M4-10-F M4 0.7 10 7 2.5 1.9 4 3 1.5 3500 CAD RFQ
SCB-M4-12-F M4 0.7 12 7 2.5 1.9 4 3 1.7 3500 CAD RFQ
SCB-M4-16-F M4 0.7 16 7 2.5 1.9 4 3 1.9 3500 CAD RFQ
SCB-M4-20-F M4 0.7 20 7 2.5 1.9 4 3 2.2 3500 CAD RFQ
SCB-M4-25-F M4 0.7 25 7 2.5 1.9 4 3 2.5 3500 CAD RFQ
SCB-M5-12-F M5 0.8 12 8.5 3 2.4 5 4 2.9 5000 CAD RFQ
SCB-M5-16-F M5 0.8 16 8.5 3 2.4 5 4 3.4 5000 CAD RFQ
SCB-M5-20-F M5 0.8 20 8.5 3 2.4 5 4 3.9 5000 CAD RFQ
SCB-M5-25-F M5 0.8 25 8.5 3 2.4 5 4 4.4 5000 CAD RFQ
SCB-M5-30-F M5 0.8 30 8.5 3 2.4 5 4 5 5000 CAD RFQ
SCB-M6-16-F M6 1 16 10 4 3.1 6 5 5.6 9000 CAD RFQ
SCB-M6-20-F M6 1 20 10 4 3.1 6 5 6.5 9000 CAD RFQ
SCB-M6-25-F M6 1 25 10 4 3.1 6 5 7.6 9000 CAD RFQ
SCB-M6-30-F M6 1 30 10 4 3.1 6 5 8.7 9000 CAD RFQ
SCB-M6-40-F M6 1 40 10 4 3.1 6 5 11 9000 CAD RFQ
SCB-M8-20-F M8 1.25 20 13 5.56 4.4 8 6 13.5 15000 CAD RFQ
SCB-M8-30-F M8 1.25 30 13 5.56 4.4 8 6 17.5 15000 CAD RFQ
SCB-M8-35-F M8 1.25 35 13 5.56 4.4 8 6 19 15000 CAD RFQ
SCB-M8-40-F M8 1.25 40 13 5.56 4.4 8 6 21.5 15000 CAD RFQ
SCB-M8-50-F M8 1.25 50 13 5.56 4.4 8 6 25 15000 CAD RFQ
SCB-M10-25-F M10 1.5 25 16 7 5.9 10 8 26 24000 CAD RFQ
SCB-M10-30-F M10 1.5 30 16 7 5.9 10 8 29 24000 CAD RFQ
SCB-M10-40-F M10 1.5 40 16 7 5.9 10 8 34 24000 CAD RFQ
SCB-M10-50-F M10 1.5 50 16 7 5.9 10 8 39 24000 CAD RFQ
SCB-M10-60-F M10 1.5 60 16 7 5.9 10 8 47 24000 CAD RFQ
SCB-M12-30-F M12 1.75 30 18 8.5 7.1 12 10 40 30000 CAD RFQ
SCB-M12-50-F M12 1.75 50 18 8.5 7.1 12 10 56 30000 CAD RFQ
SCB-M12-80-F M12 1.75 80 18 8.5 7.1 12 10 83 30000 CAD RFQ
SCB-M16-40-F M16 2 40 24 12 10.4 16 14 91 73000 CAD RFQ
SCB-M16-60-F M16 2 60 24 12 10.4 16 14 122 73000 CAD RFQ
SCB-M16-80-F M16 2 80 24 12 10.4 16 14 154 73000 CAD RFQ
Part Number M (Coarse)
Nominal of Thread
Pitch L D1 D d (Reference Value) L1 B Mass
(g)
Max. Allowable Load (N) CAD
Download
RFQ
SCB-M4-10-F M4 0.7 10 7 2.5 1.9 4 3 1.5 3500 CAD RFQ
SCB-M4-12-F M4 0.7 12 7 2.5 1.9 4 3 1.7 3500 CAD RFQ
SCB-M4-16-F M4 0.7 16 7 2.5 1.9 4 3 1.9 3500 CAD RFQ
SCB-M4-20-F M4 0.7 20 7 2.5 1.9 4 3 2.2 3500 CAD RFQ
SCB-M4-25-F M4 0.7 25 7 2.5 1.9 4 3 2.5 3500 CAD RFQ
SCB-M5-12-F M5 0.8 12 8.5 3 2.4 5 4 2.9 5000 CAD RFQ
SCB-M5-16-F M5 0.8 16 8.5 3 2.4 5 4 3.4 5000 CAD RFQ
SCB-M5-20-F M5 0.8 20 8.5 3 2.4 5 4 3.9 5000 CAD RFQ
SCB-M5-25-F M5 0.8 25 8.5 3 2.4 5 4 4.4 5000 CAD RFQ
SCB-M5-30-F M5 0.8 30 8.5 3 2.4 5 4 5 5000 CAD RFQ
SCB-M6-16-F M6 1 16 10 4 3.1 6 5 5.6 9000 CAD RFQ
SCB-M6-20-F M6 1 20 10 4 3.1 6 5 6.5 9000 CAD RFQ
SCB-M6-25-F M6 1 25 10 4 3.1 6 5 7.6 9000 CAD RFQ
SCB-M6-30-F M6 1 30 10 4 3.1 6 5 8.7 9000 CAD RFQ
SCB-M6-40-F M6 1 40 10 4 3.1 6 5 11 9000 CAD RFQ
SCB-M8-20-F M8 1.25 20 13 5.56 4.4 8 6 13.5 15000 CAD RFQ
SCB-M8-30-F M8 1.25 30 13 5.56 4.4 8 6 17.5 15000 CAD RFQ
SCB-M8-35-F M8 1.25 35 13 5.56 4.4 8 6 19 15000 CAD RFQ
SCB-M8-40-F M8 1.25 40 13 5.56 4.4 8 6 21.5 15000 CAD RFQ
SCB-M8-50-F M8 1.25 50 13 5.56 4.4 8 6 25 15000 CAD RFQ
SCB-M10-25-F M10 1.5 25 16 7 5.9 10 8 26 24000 CAD RFQ
SCB-M10-30-F M10 1.5 30 16 7 5.9 10 8 29 24000 CAD RFQ
SCB-M10-40-F M10 1.5 40 16 7 5.9 10 8 34 24000 CAD RFQ
SCB-M10-50-F M10 1.5 50 16 7 5.9 10 8 39 24000 CAD RFQ
SCB-M10-60-F M10 1.5 60 16 7 5.9 10 8 47 24000 CAD RFQ
SCB-M12-30-F M12 1.75 30 18 8.5 7.1 12 10 40 30000 CAD RFQ
SCB-M12-50-F M12 1.75 50 18 8.5 7.1 12 10 56 30000 CAD RFQ
SCB-M12-80-F M12 1.75 80 18 8.5 7.1 12 10 83 30000 CAD RFQ
SCB-M16-40-F M16 2 40 24 12 10.4 16 14 91 73000 CAD RFQ
SCB-M16-60-F M16 2 60 24 12 10.4 16 14 122 73000 CAD RFQ
SCB-M16-80-F M16 2 80 24 12 10.4 16 14 154 73000 CAD RFQ
Part Number M (Coarse)
Nominal of Thread
Pitch L D1 D d (Reference Value) L1 B Mass
(g)
Max. Allowable Load (N) CAD
Download
RFQ
SCB-M4-10-F M4 0.7 10 7 2.5 1.9 4 3 1.5 3500 CAD RFQ
SCB-M4-12-F M4 0.7 12 7 2.5 1.9 4 3 1.7 3500 CAD RFQ
SCB-M4-16-F M4 0.7 16 7 2.5 1.9 4 3 1.9 3500 CAD RFQ
SCB-M4-20-F M4 0.7 20 7 2.5 1.9 4 3 2.2 3500 CAD RFQ
SCB-M4-25-F M4 0.7 25 7 2.5 1.9 4 3 2.5 3500 CAD RFQ
SCB-M5-12-F M5 0.8 12 8.5 3 2.4 5 4 2.9 5000 CAD RFQ
SCB-M5-16-F M5 0.8 16 8.5 3 2.4 5 4 3.4 5000 CAD RFQ
SCB-M5-20-F M5 0.8 20 8.5 3 2.4 5 4 3.9 5000 CAD RFQ
SCB-M5-25-F M5 0.8 25 8.5 3 2.4 5 4 4.4 5000 CAD RFQ
SCB-M5-30-F M5 0.8 30 8.5 3 2.4 5 4 5 5000 CAD RFQ
SCB-M6-16-F M6 1 16 10 4 3.1 6 5 5.6 9000 CAD RFQ
SCB-M6-20-F M6 1 20 10 4 3.1 6 5 6.5 9000 CAD RFQ
SCB-M6-25-F M6 1 25 10 4 3.1 6 5 7.6 9000 CAD RFQ
SCB-M6-30-F M6 1 30 10 4 3.1 6 5 8.7 9000 CAD RFQ
SCB-M6-40-F M6 1 40 10 4 3.1 6 5 11 9000 CAD RFQ
SCB-M8-20-F M8 1.25 20 13 5.56 4.4 8 6 13.5 15000 CAD RFQ
SCB-M8-30-F M8 1.25 30 13 5.56 4.4 8 6 17.5 15000 CAD RFQ
SCB-M8-35-F M8 1.25 35 13 5.56 4.4 8 6 19 15000 CAD RFQ
SCB-M8-40-F M8 1.25 40 13 5.56 4.4 8 6 21.5 15000 CAD RFQ
SCB-M8-50-F M8 1.25 50 13 5.56 4.4 8 6 25 15000 CAD RFQ
SCB-M10-25-F M10 1.5 25 16 7 5.9 10 8 26 24000 CAD RFQ
SCB-M10-30-F M10 1.5 30 16 7 5.9 10 8 29 24000 CAD RFQ
SCB-M10-40-F M10 1.5 40 16 7 5.9 10 8 34 24000 CAD RFQ
SCB-M10-50-F M10 1.5 50 16 7 5.9 10 8 39 24000 CAD RFQ
SCB-M10-60-F M10 1.5 60 16 7 5.9 10 8 47 24000 CAD RFQ
SCB-M12-30-F M12 1.75 30 18 8.5 7.1 12 10 40 30000 CAD RFQ
SCB-M12-50-F M12 1.75 50 18 8.5 7.1 12 10 56 30000 CAD RFQ
SCB-M12-80-F M12 1.75 80 18 8.5 7.1 12 10 83 30000 CAD RFQ
SCB-M16-40-F M16 2 40 24 12 10.4 16 14 91 73000 CAD RFQ
SCB-M16-60-F M16 2 60 24 12 10.4 16 14 122 73000 CAD RFQ
SCB-M16-80-F M16 2 80 24 12 10.4 16 14 154 73000 CAD RFQ

Related Services

Material/Finish

SCB-F Made of Steel
Thread Part SCM435
Ferrosoferric Oxide Film (Black)
Ball SUJ2 (Hardness: 62-67 HRC)

Characteristics

  • Surface is contacted by a flat ball. This does not scratch the work.
  • The ball rotates flexibly . It securely clamps even when the mating part is tilted.
  • For tool holder set screw and pressure piece stopper.
  • We also produce products of special specifications, e.g. nominal diameter of thread, length and surface treatment. Please feel free to contact our customer service.

Specification Changes

Thank you for using the NBK website.

We would like to inform you that the catalog information for clamping screws and clamping bolts will be corrected as follows. Please note that these corrections will not affect the actual product specifications.

See here for details
https://www.nbk1560.com/en/news/2025/20250326/

Your understanding and continued support are greatly appreciated.

Product List

Click here to see Socket Head Cap Screws

Click here to see Special Screws