Pin-in-Hex Screws | McMaster-Carr

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Drive Style

Tamper-Resistant Hex

System of Measurement

Thread Size

Length

2 3/8" to 3 1/4"

Fastener Head Type

Material

Stainless Steel

Rounded Head Style

Head Diameter

Drive Size

Finish

Phosphate Coated

Head Height

Threading

Thread Type

Tip Type

Thread Spacing

Screw Size

RoHS

REACH

Flat Head Profile

Thread Direction

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Specifications Met

Thread Fit

Metric Class 6g

Unified Standard Class 3A

Rounded Head Profile

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272 Products

Fastening and Joining

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 that won't snag on surrounding parts

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screwdrivers

Tighten and loosen screws

L-Keys

Turn fasteners from either end and reach into tight spots

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