Black Phosphate Screws | McMaster-Carr

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Finish

Phosphate Coated

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System of Measurement

Length

1 5/16" to 4 11/16"

1 5/16" to 4 3/4"

1 5/16" to 6 13/16"

1 5/16" to 6 15/16"

Thread Size

Fastener Head Type

Threading

Partially Threaded

Fastener Strength Grade/Class

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Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

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Material

Tip Type

Head Width

For Use In

Head Diameter

Flange Diameter

Flat Head Profile

Drive Size

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DFARS Specialty Metals

RoHS

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

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926 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Drywall Screws

Fasten panels of drywall to materials such as wood, metal, and drywall

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

L-Keys

Turn fasteners from either end and reach into tight spots

Torque-Limiting Keys

Torque-Limiting Keys

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

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

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