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Serrated Indented Hex Washer Slotted B Self Tapping Screws

Tapping screws are another kind of high quality screw we carry. Tapping screws are commonly used for attaching steel or wood parts, but are also used to fasten plastic parts together. Like all Liberty Fastener screws, tapping screws come in a variety of sizes, models and finishes.
  • Manufactured to SAE J933 specifications (threads to ASME B18.6.4)
  • Case Hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38)
  • Fully Treaded / Steel Zinc Plated
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Item #


Ctn Qty

Weight Lbs/M

Thread Types


0806BSWS 8 x 3/8 in 10000 2.72 Fully Threaded Steel Zinc
0808BSWS 8 x 1/2 in 10000 3.43 Fully Threaded Steel Zinc
1006BSWS 10 x 3/8 in 8000 4.30 Fully Threaded Steel Zinc