• Special Screws
  • Low Profile Screws・Small Head Screws


Socket Head Cap Screws with Low & Small Head

  • Space
  • Slim

Dimension Drawing

SLH-SDSocket Head Cap Screws with Low



M (Coarse)
Nominal of Thread

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch L D1 L1 B t L2 Qty per Pack Mass
CAD Standard
SLH-M6-8-SD M6 1 8 8.5 3.5 4 2.5 Full Thread 10 2.6 22.51 CAD Cart

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Related Services


Main Body SWCH45K
Ferrosoferric Oxide Film (Black)
Strength Class 8.8


Reducing the size of equipment and devices


  • Socket head cap screws with small head diameters. Able to reduce the spot facing diameters compared to standard socket head cap screws.

Usage Example

It is possible to perform spot facing and hide the head in locations where spot facing is not possible with standard socket head cap screws.

SLH-SDSocket Head Cap Screws with Low

Precautions for Use

  • Since the head bearing surface area is small, bearing surface pressure become high.
  • Using the following formula as a reference, ensure that the bearing surface pressure due to screw tightening does not exceed the permitted surface pressure of the intended fastening material.

SLH-SDSocket Head Cap Screws with Low

Head Diameter and Screw Effective Cross-sectional Area

Part Number Head Diameter(mm) Screw effective cross-
sectional area(mm2
SLH-M3-SD 4.5 5.03
SLH-M4-SD 5.5 8.78
SLH-M5-SD 7 14.2
SLH-M6-SD 8.5 20.1
SLH-M8-SD 11 36.6
SLH-M10-SD 13.5 58

Customer Service

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