Brass Inserts :

Griplock Brass Expansion Inserts

Griplock Brass Expansion Inserts

Press-in expansion inserts for thermosetting plastics

  • Headed and reverse headed versions manufactured
  • Different head sizes and body lengths produced
  • Easy press-in insertion
  • Self-locking action makes it suitable when vibration is unavoidable

Materials : Brass to BS EN 12164 CW 614N, RoHS compliant

Dimensions :


Internal thread sizes
(ISO Metric)
Length Length* Head thickness Head dia. External dia. Rec. hole size -0.00 +0.10 Min. wall thickness
  mm mm mm mm mm mm mm
M3 4.7 3.5 0.51 5.5 4.2 4.0 3.2
M4 7.9 5.0 0.82 7.1 5.9 5.6 4.0
M5 9.4 6.0 0.99 7.9 6.6 6.4 4.8
M6 12.6 9.5 1.25 9.5 8.3 8.0 6.0
M8 12.6 9.5 1.25 11.1 9.9 9.6 7.0