1st Machine Tool Accessories Ltd

Machine Tool
Workholding Specialists

Serrated Ball End Bolt

Rest Pad and Contact Bolt

Key Features

  • Even clamping pressure on sloped or uneven surfaces
  • Use as a contact bolt or as a rest pad
  • Black Oxide surface finish, serrated ball pad
  • Heat treated steel


Serrated swivel ball that can be used either as a contact bolt or as a rest pad. As contact bolts, these swivel-ball units are ideal for evenly distributing clamping pressure on sloped or uneven surfaces. The bolt is manufactured from S45C(JIS) / CK45 (DIN) heat treated to HRC 35 and the ball is manufactured from SUJ2(JIS) / 110Cr6(DIN) heat treated to HRC 62. The surface finish is black oxide.

Estimated delivery: 5-7 Working Days (subject to availability)


# Part No Ball Diameter (mm) Thread Price
1 PT02-0610 6 M6 £22.64
1 PT02-0814 8 M8 £22.64
1 PT02-1017 10 M10 £24.85
1 PT02-1222 12 M12 £31.62
1 PT02-1627 14 M16 £35.59
1 PT02-2036 14 M20 £45.27
1 PT02-2436 18 M24 £55.07
1 PT02-3046 21 M30 £72.10