Machine screws, Spanner pan head, Stainless steel 18-8, 1/4"-20 x 1/2"

Spanner pan head machine screws

Prod. # Length Each price Bag price Bulk price Price Buy
20759 1/2" $0.99 / ea $65.20 / 100 $537.00 / 1000 $0.99 / ea $65.20 / 100 $537.00 / 1000
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Spanner pan machine screw dimensions
Product details
Bolt Depot product# 20759
Units US
Category Machine screws
Screws with machine threads for use with a nut or in a tapped hole.
Subcategory Machine screws
Machine screws have machine threads for use with a nut or in a tapped hole.
Head style Pan
Pan heads are slightly rounded with short vertical sides.
Drive type Spanner
Spanner (a.k.a. snake eyes) is a tamper resistant drive that requires a special driver to install.
Material Stainless steel
Grade 18-8
A corrosion resistant steel alloy. The most common stainless steel for general hardware use.
Thread density Coarse
Diameter 1/4"
Thread count 20
Length 1/2"
Thread direction Right hand
Tamper resistant Yes
Dimensional standard ASME B18.6.3
Head height 0.130" - 0.144"
Head diameter 0.473" - 0.492"
Drive size #14

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Hex nylon insert lock nuts, Stainless steel 18-8, 1/4"-20
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Lock washers, Stainless steel 18-8, 1/4"
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Related Products

Spanner bits

Driver bits

Bits for spanner type tamper resistant screws.

See also

Metric machine screw

Metric machine screws

Screws with machine threads for use with a nut or in a tapped hole.

Socket product

Socket screws

Screws with an Allen wrench drive.