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Machine screws, Round, Stainless steel 18-8, 1/4"-20 x 1/2"

Slotted round head

Slotted round head

Round heads are domed and look like half of a sphere. Slotted drive has a simple slot for a flat bladed screw driver.

One way round head machine screws

One way round head

Round heads are domed and look like half of a sphere. One way drive is installed with a flat bladed screw driver but cannot be removed without special tools.

Matching Products

Click on a product # for additional info

Prod. # Description Buy
2563
$0.09 / ea
$5.62 / 100
$47.20 / 1,000
2554
Hex nylon insert lock nuts, Stainless steel 18-8, 1/4"-20
A hex nut with a nylon ring to resist loosening.
$0.15 / ea
$10.06 / 100
$84.50 / 1,000
2947
$0.09 / ea
$3.89 / 100
$31.10 / 1,000
2956
Lock washers, Stainless steel 18-8, 1/4"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
$0.08 / ea
$4.22 / 100
$36.90 / 1,000

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.