T8 Drive Screws | McMaster-Carr

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Drive Style

Drilled Spanner

Tamper-Resistant Hex

Tamper-Resistant Torx

System of Measurement

Thread Size

Length

1 3/4" to 4 11/16"

Fastener Head Type

Material

Stainless Steel

Screw Size

Head Diameter

Drive Size

For Use In

Rounded Head Style

Flat Head Profile

Finish

Phosphate Coated

Head Height

Countersink Angle

Threading

Partially Threaded

Tip Type

Thread Pitch

Specifications Met

Thread Type

DFARS Specialty Metals

Thread Direction

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

REACH

RoHS

Export Control Classification Number (ECCN)

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317 Products

Fastening and Joining

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

Rounded Head Screws

Rounded Head Screws

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screwdrivers

Tighten and loosen screws

Torque-Limiting Keys

Torque-Limiting Keys

Used to install carbide inserts in cutting tools, a handle limits the amount of torque generated

L-Keys

Turn fasteners from either end and reach into tight spots

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Fabricating and Machining

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

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