Dubro Skt Hd Bolts & Lock Nut 4-40 DUB178

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This is the 4-40x1 socket head bolt sets with lock nuts from Du-Bro.


  • High strength steel construction
  • High round cap head screws/bolts with a hexagon socket drive insert
  • Plain Silver flat washers
  • Plain Silver 4-40 lock nuts with Black nylon inserts

Includes: Four each of bolts, flat washers and lock nuts

Thread Size: 4-40
Screw/Bolt Length: 1
Flat Washers Inner Diameter: 1/8”

This product was added to our catalog on December 1, 2006