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"

Screw Features

Fastener Head Type

Fastener Strength Grade/Class

Threading

Partially Threaded

Thread Pitch

Color

Finish

Corrosion-Resistant Coated

Magnesium Phosphate Coated

Phosphate Coated

Head Width

Material

Drive Style

Tamper-Resistant Hex

Tamper-Resistant Torx

Flange Diameter

Specifications Met

ASME B18.2.3.9M

Thread Type

Screw Size

Drive Size

Thread Spacing

Thread Fit

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

Tensile Strength

100,000 psi or greater

DFARS Specialty Metals

RoHS

Export Control Classification Number (ECCN)

REACH

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807 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

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

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.)