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Accurate Screw Machine

18004B - Brass Thumb Collar Head Thumb Screw

Thumb Collar head None Brass thumb screws with 4-40 threads.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Accurate Screw
Display Name 18004B
Drive Type None
End Type Standard
Finish None
Head Diameter 0.375 in
Head Height 0.1875 in
Length 0.75 in
Material Brass
Measurement Units Standard
Model Number 18004
Screw Head Type Thumb Collar
Shaft Length 0.4375 in
Thread Size 4-40
Specs (in metric)
Label Value
Brand Accurate Screw
Display Name 18004B
Drive Type None
End Type Standard
Finish None
Head Diameter 9.53 mm
Head Height 4.76 mm
Length 19.05 mm
Material Brass
Measurement Units Standard
Model Number 18004
Screw Head Type Thumb Collar
Shaft Length 11.11 mm
Thread Size 4-40

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