1/2" Drive Screws | McMaster-Carr

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System of Measurement

Thread Size

Length

1 5/16" to 6 15/16"

Fastener Head Type

Threading

Partially Threaded

Material

Beryllium Copper

Stainless Steel

Finish

Phosphate Coated

Zinc Flake Coated

Socket Head Profile

Drive Size

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Drive Style

External 12-Point

Head Diameter

Thread Type

Thread Spacing

Specifications Met

Shoulder Diameter

Shoulder Length

Head Height

Thread Fit

Unified Standard Class 2A

Unified Standard Class 3A

Thread Length

Hardness

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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410 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

12-Point Screws

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

L-Keys

Turn fasteners from either end and reach into tight spots

Screwdrivers

Tighten and loosen screws

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Fabricating and Machining

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)