Screws For Plastic And Other Low Density Materials

Thread Forming Fasteners; For Applications Where Inserts Are Not Required

100% Optically Sorted (Up To 1.75″)

tf15-1

  • Phillip’s, Pan-headed, Steel/Zinc, and Baked
  • Custom Trilobular Screws: Virtually any types of drives, heads and materials available.

Trilobular Screw For Plastics Normally In Stock At WCL Company

Size C* d**
2-28 x 1/4 .0915-.0875 .089-.085
2-28 x 5/8 .0915-.0875 .089-.085
4-20 x 1/4 .127-.122 .123-.118
4-20 x 3/8 .127-.122 .123-.118
4-20 x 1/2 .127-.122 .123-.118
4-20 x 5/8 .127-.122 .123-.118
4-20 x 3/4 .127-.122 .123-.118
6-19 x 1/4 .147-.14 .143-.137
6-19 x 3/8 .147-.141 .143-.137
6-19 x1/2 .147-.141 .143-.137
6-19 x 5/8 .147-.141 .143-.137
6-19 x 3/4 .147-.141 .143-.137
6-19 x 7/8 .147-.141 .143-.137
6-19 x 1.00 .147-.141 .143-.137
6-19 x 1.25 .147-.141 .143-.137
6-19 x 1.50 .147-.141 .143-.137
6-19 x 2.25 .147-.141 .143-.137
8-16 x 3/8 .185-.179 .179-.173
8-16 x 1/2 .185-.179 .179-.173
8-16 x 5/8 .185-.179 .179-.173
8-16 x 3/4 .185-.179 .179-.173
8-16 x 1.00 .185-.179 .179-.173
8-16 x 1.25 .185-.179 .179-.173
8-16 x 1.50 .185-.179 .179-.173
8-16 x 2.00 .185-.179 .179-.173
8-16 x 2.25 .185-.179 .179-.173
8-16 x 2.50 .185-.179 .179-.173

Stainless Steel Trilobular Screws

Size “C” “d”
6-19 x 1/2 .147-.141 .143-.137
6-19 x 3/4 .147-.141 .143-.137

Note: * Dimensions Measured with Triflumic Micrometer
** Dimensions Measured with Standard Micrometer