Dubro Mounting Bolts & Blind Nuts 4-40 DUB127

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This is the 4-40 x 1-1/4 mounting bolt sets with blind nuts from Du-Bro.


  • High strength steel construction for mounting engines
  • Round head screws/bolts with a slotted drive insert
  • Plain Silver 4-40 blind nuts
  • Plain Silver flat washers
  • Plain Silver slotted lock washers

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

Thread Size: 4-40
Screw/Bolt Length: 1-1/4
Inner Diameter (Flat Washers): 0.12”
Inner Diameter (Lock Washers): 0.12”

This product was added to our catalog on June 17, 2016