Black Phosphate Bolts | McMaster-Carr

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System of Measurement

Thread Size

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"

Fastener Head Type

Fastener Strength Grade/Class

Threading

Partially Threaded

Color

Thread Pitch

Finish

Corrosion-Resistant Coated

Magnesium Phosphate Coated

Phosphate Coated

Head Width

Material

Drive Style

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

Flange Diameter

Thread Type

Specifications Met

Sold As

Thread Spacing

Tensile Strength

100,000 psi or greater

Thread Fit

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

Thread Direction

RoHS

DFARS Specialty Metals

REACH

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

Export Control Classification Number (ECCN)

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980 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

Tapping Screws

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

Drywall Screws

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

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

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Driver Extension Adapters

Driver Extension Adapters

Create a tool that’s as long as you need to reach deeply recessed fasteners

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

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