T40 Drive Screws | McMaster-Carr

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Thread Size

Drive Style

Drilled Spanner

Tamper-Resistant Hex

Tamper-Resistant Torx

Length

System of Measurement

Fastener Head Type

Material

Stainless Steel

Drive Size

Rounded Head Style

Head Diameter

Threading

Partially Threaded

Thread Pitch

Finish

Phosphate Coated

Titanium Nitride (TiN) Coated

Screw Size

Head Height

Fastener Strength Grade/Class

Thread Type

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Flat Head Profile

Thread Direction

Specifications Met

Thread Spacing

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Tip Type

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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

Tapping Screws

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

Wood Screws

Fasten material to wood or pieces of wood to each other

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

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

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.)