1/2" Drive Screws | McMaster-Carr

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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

System of Measurement

Drive Size

Socket Head Profile

Thread Type

Drive Style

External 12-Point

Head Diameter

Thread Spacing

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Shoulder Diameter

Shoulder Length

Specifications Met

Head Height

Thread Direction

Thread Fit

Unified Standard Class 2A

Unified Standard Class 3A

DFARS Specialty Metals

Hardness

Head Width

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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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

T-Handle Keys

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

Screwdrivers

Tighten and loosen screws

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.)