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1408IW, Unslotted Hex Washer Internal Sems Machine Screws

Machine screws are designed for use with an electric or manual screwdriver and they accept female fastener components. Machine screws come in a large variety of head and drive sizes.
  • Manufactured to ASME B18.13a & SAE J82 specifications
  • Fully Threaded / Steel Zinc Plated & Baked after Plating
Products specifications
Size 1/4-20 x 1/2 in
Ctn Qty 4000
Weight Lbs/M 11.60
Thread Types Fully Threaded
Plating Steel Zinc