Adjustable Torque Thumb Screws
from Carr Lane Manufacturing Co.

Knurled-head thumb screw that exerts positive, repeatable force. Clockwise, the knob declutches and turns freely when you reach the desired torque. Counterclockwise, the knob locks for positive retraction. Adjustable-Torque Thumb Screws are furnished w [See More]

  • Screw Type: Thumb Screw
  • Head Type: Flat Head
  • Length: 1.25 to 3
  • Material: Steel
Jack Screw -- 7228-5K-ND [7228-5 from Keystone Electronics Corp.]
from Digi-Key Corporation

JACK SCREW HEX 4-40 [See More]

  • Screw Type: Jack Screw
  • Head Type: Hexagon Head
  • Length: 0.2500
  • Material: Steel
Binding Screw,1/4-20,316 SS,PK 5 -- 2JGL6 [2JGL6 from Accurate Manufactured Products Group, Inc.]
from Grainger Industrial Supply

Binding Machine Screw, 316 Stainless Steel, Head Style Truss, Thread Size 1/4-20, Drive Type Combination Slotted/Phillips, Screw Thread Length 5/16 In, Screw Head Dia. 9/16 In, Screw Head Height 5/32 In, Tensile Strength 75,000 PSI, Rockwell Hardness B80, Package Quantity 5 [See More]

  • Screw Type: Machine Screw
  • Head Type: Truss Head
  • Other Size Specs: 1/4-20
  • Standard Drives: Combination
Countersunk Notched Head Machine Screw FB -- TFB
from J.Lanfranco Fastener Systems Inc.


  • Head Type: Other; Countersunk Head
  • Fastener Standards: DIN; ISO; NFE
  • Material: Steel (optional feature); Stainless Steel (optional feature)
BUT - MS -- 2-56 X 3/16

Custom sizes/other finishes available [See More]

  • Screw Type: Machine Screw
  • Head Type: Button Head
  • Length: 0.1875
  • Standard Drives: Torx (optional feature); Slotted Torx
Star Drive - 1 LB Plastic Container -- 158TRG1
from Sure Drive USA

Star Drive - 1 LB Plastic Container [See More]

  • Screw Type: Decking Screw
  • Length: 1.62