Knurled Thumb Screw -- 449873
from Fastener SuperStore, Inc.

4-40 X 5/16 Thumb Screw / Round Head / Knurled / Washer Face / Aluminum. A one-piece screw with a cylindrically-shaped head, a fully-threaded shank with a unified thread pitch, and a shoulder section that separates the two. The head has a smooth, flat top and a roughened surface around its full... [See More]

  • Material: Aluminum
  • Length: 0.3125
  • Screw Type: Thumb Screw
  • Head Type: Washer Head; Other; Knurled
Chandler Products -- Flange Screws
from Elgin Fastener Group

Flange Screws. Special dimensions for Hexagon Head Cap Screws and Flange Screws (head height, shank sizes or thread lengths) can be produced. Configurations are available in either inch or metric sizes. [See More]

  • Material: Aluminum (optional feature); Bronze (optional feature); Brass (optional feature); Copper (optional feature); Steel; Stainless Steel
  • Length: ? to 9
  • Screw Type: Cap Screw
  • Other Size Specs: 3/16" to 3/4"
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