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Specifications

Material Alloy Steel
Coating / Finish Black Oxide
Size 5/16-18X4-1/2
Diameter 5/16 In.
Length 1-3/8 In.
Thread Coarse
TPI 18

Unbrako 5/16-18 X 4 1/2 Socket Head Cap Screw 09866

SB#16-12919
Limited Quantity Available

WEB PRICE:

$1.17/EA/EA

The Unbrako Fastener Brand Name Is Widely Recognized Throughout The World. Unbrako Socket Screws Are Used In Machine Tools, Tools and Dies, Earth Moving and Mining Machinery, and a Wide Range Of Industrial and Engineering Applications.

  • Higher Min ULT Tensile -- 10,000 PSI Stronger Than Industry Standard
  • Compound Fillet Radius- Doubles Fatigue Life at Critical Head-Shank Juncture
  • 3R (Radius Root Runout) Thread- Increases Fatigue Life Up To 300%
  • Wide Radius Threads- Maximizes Fatigue Resistance Where It Is Needed Most
  • E Code "LOT CODE" Marking- The Ultimate In Fastener Traceability
MIN QTY: 100

9866