What material are these screws made from?

These screws are constructed from alloy steel, which offers good strength for engine applications. They also feature a zinc plating for added corrosion resistance.

Why is thread lock pre-applied?

The pre-applied thread lock helps to secure the screw in place, especially in areas prone to vibration like an engine. This reduces the chance of the screw backing out over time.

What does the 1/4-20 x 1/2in designation mean?

The '1/4-20' indicates the thread size: 1/4 inch diameter with 20 threads per inch. The '1/2in' refers to the length of the screw from under the head.

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Specifications

Brand: S&S Cycle
Part #: 106-2105
UPC: 106-2105

S&S Cycle 1/4-20 x 1/2in Screw - 10 Pack

Name: S&S Cycle 1/4-20 x 1/2in Screw - 10 Pack
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-1-4-20-x-1-2in-screw-10-pack-t14-663299
Price: 12.95 USD
Availability: BackOrder

$12.95

On Backorder — Expected to ship by May 7, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

S&S Cycle 1/4-20 x 1/2in Screw - 10 Pack. Alloy steel with thread lock.

Key Features

Fits S&S Cycle 1/4-20 x 1/2 inch screw applications.
Made from durable alloy steel.
Zinc plated for corrosion resistance.
Thread lock is pre-applied to help prevent loosening.
Comes in a convenient 10-pack.

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About this part

Product Details

These are S&S Cycle 1/4-20 x 1/2 inch screws, sold in a pack of 10. They are made from alloy steel and come with thread lock already applied, which helps keep them from vibrating loose in engine applications.

The zinc plating offers some resistance to corrosion. These screws are a common size for various engine component installations and repairs where a secure fastener is needed.