4 mm Drive Screws | McMaster-Carr

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Thread Size

System of Measurement

Fastener Head Type

Material

Beryllium Copper

Stainless Steel

Drive Style

Drilled Spanner

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Thread Pitch

Socket Head Profile

Threading

Partially Threaded

Finish

Phosphate Coated

Titanium Carbon Nitride (TiCN) Coated

Zinc Flake Coated

Head Diameter

Head Height

Thread Direction

Thread Type

Fastener Strength Grade/Class

Thread Spacing

Specifications Met

Drive Size

Flat Head Profile

Rounded Head Style

Shoulder Length

4 mm to 49.75 mm

Color

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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1,391 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

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

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.)