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1/4"-28 x 1-9/32" AN4 Hex Head Airframe Bolt, Cadmium Plated - Undrilled Shank

Pkg Qty: 10
  • Hex Head Airframe Bolts come in either drilled or undrilled shank versions
  • Threads are pressed into the steel, not cut, thus maintaining strength throughout the entire shank
  • The surface under the head of AN bolts is designed to be a bearing surface to reduce non-uniform stress as the bolt is torqued thus reducing premature fatigue
Type Hex Head Airframe Bolt
Style AN4
Size 1/4"-28
Length 1-9/32"
Material Steel
Dia. Max 0.249
Dia. Min 0.246
Head Style Hex Head
Wrench Size 7/16"
Shank Hole None
Head Hole None
Min Tensile Strength 125,000 psi
Grip 13/16
Finish Spec QQ-P-416, Type II, Grade/Class 3
Compatible Washer AN960-416 or AN970-4
Compatible Nut AN365-428
Fits Cotter Pin AN380-2-2/MS24655-132 or longer
Thread Type UNF-3A
Length 0.469
AN Part No. AN4-12A