M16 F9 SOCKET SHOULDER SCREWS 12.9 COARSE ALLOY ISO 7379 SELF COLOUR
Socket Shoulder Head Cap Screws are also known as Socket Head Shoulder Screws, Shoulder Bolts or Shoulder Screws.
- Conforming to ISO 7379 / BS 4168 / ASME/ANSI B18.3.3. M
- Grade 12.9
- 6g fit
- 38-43 HRC
- 20 mm diameter
- Shoulder tolerances in microns -20 / -72
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