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Low Small Head Cap Screws (Part Numbers)

Low Small Head Cap Screws

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  • Low Small Head Cap Screws
  • Low Small Head Cap Screws
  • Volume Discount

Low small heads cap screws
• Fully threaded
• The head is not knurled

TYPEStandardLow HeadExtra Low Head
SBBSBBSSKBBKBBSCBBTBCBBTNCBBTS
MaterialSCM435SUSXM7SCM435SUSXM7SCM435SUSXM7
Surface TreatmentBlack OxideBlack OxideNickel Plating (Black)Nickel Plating (White)
Hardness22 to 32HRC22 to 32HRC22 to 32HRC
Strength Class8.8A2-708.8A2-50Threaded Section 10.9, Head 5.8Tensile Strength 400 N/mm2

Specification Table

Part Number
KBBS6−20
 
Part Number
TYPEM-L
Small Head /
Standard
SBB
SCM435
Black Oxide
SBBSS
Stainless Steel


Small Head / Low Head
KBB
SCM435
Black Oxide
KBBS
Stainless Steel


Small Head / Extra Low Head
CBBTB
SCM435
Nickel Plating (Black)
CBBTN
SCM435
Nickel Plating (White)
CBBTS
Stainless Steel
2-3
 4
 5
 6
2.5-3
 4
 5
 6
3-4
 5
 6
 8
 10
4-5
 6
 8
 10
 12
 16
 20
 25
5-6
 8
 10
 12
 16
 20
 25
6-6
 8
 10
 12
 16
 20
 25
8-10
 12
 16
 20
 25
 30
10-16
 20
 25
 30
 35
12-20
 25
 30
[Small Head Cap Screw Dimensions]
Head DimensionsHead Diameter
A
Standard TypeLow HeadExtra Low Head
SBB SBBSSKBB KBBSCBBT□
HeightHex SocketHeightHex SocketHeight(e)Hex Socket
M× PEB × (t)EB × (t)Emax.B × (t)
M2× 0.431.11.21.3 × 1.2
M2.5× 0.453.81.31.51.3 × 1.5
M3× 0.54.532.5 × 1.522 × 1.51.51.61.5 × 2
M4× 0.75.543 × 22.82.5 × 22 × 2.5
M5× 0.8754 × 2.53.53 × 2.523 × 3
M6× 1.08.565 × 344 × 32.53 × 4
M8× 1.251086 × 455 × 44 × 5
M10× 1.513108 × 566 × 4.53
M12× 1.75161210 ×678 × 5
■Recommended Tightening Torque (Reference)
TypeStandard TypeLow HeadExtra Low Head
MaterialSCM435SUSXM7SCM435SUSXM7SCM435SUSXM7
M20.250.25
M2.50.820.42
M31.01.00.80.50.90.8
M42.32.31.61.01.81.6
M54.64.63.22.03.23.0
M67.87.86.44.05.25.0
M819.019.09.65.69.08.6
M1037.037.028.016.8
M1265.065.040.024.0
The recommended tightening torques are the reference values; the optimum tightening torques vary depending on the operating environment.

Part Number 

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Part Number
Part NumberMinimum order quantityVolume DiscountDays to ShipRoHSNominal of Thread (M) Length L (mm) Pitch
(mm)
Material Surface Treatment Strength Class (Steel) Strength Class (Stainless Steel) Characteristics/Applications Material Details Environmentally friendly

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Basic Information

Thread Type Metric, Coarse Screw Type Fully Threaded Sales Unit Low Quantity (Available beginning with 1 pc.)
Application Standard

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