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Machine screws, One way round head, Stainless steel 18-8, 1/4"-20 x 1/2"

One way round head machine screws

Prod. # Length Each price Bag price Bulk price Price Buy
20873 1/2" $0.60 / ea $39.76 / 100 $350.00 / 1,000 $0.60 / ea $39.76 / 100 $350.00 / 1,000
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One way round machine screw dimensions
Product details
Bolt Depot product# 20873
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 Round
Round heads are domed and look like half of a sphere.
Drive type One way
One way drive is installed with a flat bladed screw driver but cannot be removed without special tools.
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"
Dimensional standard ASME B18.6.3
Tamper resistant Yes
Thread direction Right hand

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Hex nylon insert lock nuts, Stainless steel 18-8, 1/4"-20
A hex nut with a nylon ring to resist loosening.
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Lock washers, Stainless steel 18-8, 1/4"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
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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.