Drilled Cap Screws | McMaster-Carr

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System of Measurement

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Fastener Head Type

Material

18-8 Stainless Steel

Threading

Partially Threaded

Drive Style

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Head Diameter

Thread Type

Specifications Met

Fed. Spec. QQ-P-35

Tensile Strength

Thread Fit

Metric Class 4g6g

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

Drive Size

Hardness

Thread Spacing

REACH

Export Control Classification Number (ECCN)

RoHS

DFARS Specialty Metals

Locking Type

Grip Length

Thread Pitch

Hole Diameter

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515 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Hex Head Screws

Hex Head Screws

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

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 that won't snag on surrounding parts

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