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U Drive Screws Selection

U Drive Screws
  • Description: Round head metallic drive screw having multiple start threads of large helix angle, with a pivot.
  • Applications & Advantages: For making permanent fastenings in metals and plastics, when forced into the work under pressure.
  • Material: Steel: AISI 1016 - 1024 or equivalent steel.
  • Heat Treatment: Quenched in liquid and then tempered by reheating to 650°F minimum
  • Surface Hardness: Rockwell C45 Minimum
  • Case Depth: No. 2 thru 6 Diameter - .002 - .007, Nos. 7 thru 12 diameter - .004 - .009, No. 14 diameter: .006 - .011
  • Core Hardness: Rockwell C28 - C38
  • For Us In: Drive screws shall produce mating threads without shearing of threads or fracture of the screw when driven into properly sized holes in test plates havind a Rockwell hardness of B70 to B85.
Steel U Drive Screw Lengths
  1/8 3/16 1/4 5/16 3/8 1/2 5/8 3/4 1 1-1/4

Size

                   
00 00 X 1/8
 00 X 3/16
 00 X 1/4
 00 X 5/16
 00 X 3/8
 00 X 1/2
 N/A N/A N/A N/A
0 0 X 1/8
  0 X 3/16
  0 X 1/4
  0 X 5/16
  0 X 3/8
  N/A
  N/A
 N/A
 N/A N/A
2 2 X 1/8
 2 X 3/16
 2 X 1/4
 2 X 5/16
 2 X 3/8
  2 X 1/2
 N/A
N/A
 N/A N/A
3 N/A
 3 X 3/16
 3 X 1/4
 N/A
  N/A
  N/A
 N/A
N/A
 N/A N/A
4 4 X 1/8
 4 X 3/16
 4 X 1/4
 4 X 5/16
 4 X 3/8
 4 X 1/2
 4 X 5/8
 N/A
N/A
N/A
5 N/A
 N/A
  5 X 1/4
 5 X 5/16
 5 X 3/8
 N/A
  N/A
 N/A
N/A
N/A
6 6 X 1/8
 6 X 3/16
 6 X 1/4
  6 X 5/16
  6 X 3/8
  6 X 1/2
  6 X 5/8
  6 X 3/4
  N/A
 N/A
7 N/A
  N/A
  7 X 1/4
  7 X 5/16
  7 X 3/8
  7 X 1/2
  7 X 5/8
 7 X 3/4
N/A
N/A
8 8 X 1/8
  8 X 3/16
  8 X 1/4
  8 X 5/16
  8 X 3/8
 8 X 1/2
 N/A>
 8 X 3/4
 N/A
 N/A
10 N/A
 N/A
10 X 1/4
10 X 5/16
 10 X 3/8
  10 X 1/2
 10 X 5/8
 10 X 3/4
 10 X 1
N/A
12 N/A
  N/A  12 X 1/4
  12 X 3/8
  12 X 1/2
 12 X 5/8
 12 X 3/4
 12 X 1
N/A
N/A
14 N/A
 N/A
 N/A 14 X 5/16
14 X 3/8
14 X 1/2
14 X 5/8
14 X 3/4
 14 X 1
  N/A