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Round Head U Drive 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 ASME B18.6.4 specifications
  • Case Hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38)
  • Steel Zinc Plated
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Item #

Size

Ctn Qty

Weight Lbs/M

Plating

0002U 00 x 1/8 in 10000 0.11 Steel Zinc
0003U 00 x 3/16 in 10000 0.14 Steel Zinc
0004U 00 x 1/4 in 10000 0.17 Steel Zinc
0005U 00 x 5/16 in 10000 0.20 Steel Zinc
0006U 00 x 3/8 in 10000 0.24 Steel Zinc
0008U 00 x 1/2 in 10000 0.30 Steel Zinc
002U 0 x 1/8 in 10000 0.21 Steel Zinc
003U 0 x 3/16 in 10000 0.26 Steel Zinc
004U 0 x 1/4 in 10000 0.32 Steel Zinc
005U 0 x 5/16 in 10000 0.36 Steel Zinc
006U 0 x 3/8 in 10000 0.40 Steel Zinc
008U 0 x 1/2 in 10000 0.53 Steel Zinc
0202U 2 x 1/8 in 10000 0.41 Steel Zinc
0203U 2 x 3/16 in 10000 0.59 Steel Zinc
0204U 2 x 1/4 in 10000 0.61 Steel Zinc
0205U 2 x 5/16 in 10000 0.78 Steel Zinc
0206U 2 x 3/8 in 10000 0.87 Steel Zinc
0208U 2 x 1/2 in 10000 0.96 Steel Zinc
0402U 4 x 1/8 in 10000 0.73 Steel Zinc
0403U 4 x 3/16 in 10000 0.85 Steel Zinc
0404U 4 x 1/4 in 10000 1.03 Steel Zinc
0405U 4 x 5/16 in 10000 1.11 Steel Zinc
0406U 4 x 3/8 in 10000 1.24 Steel Zinc
0408U 4 x 1/2 in 10000 1.53 Steel Zinc
0410U 4 x 5/8 in 10000 1.70 Steel Zinc