Slotted Machine Screws | McMaster-Carr

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Stainless Steel

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Partially Threaded

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Specifications Met

Fed. Spec. QQ-P-35

Tensile Strength

Less than 20,000 psi

40,000 psi to 59,999 psi

60,000 psi to 99,999 psi

100,000 psi or greater

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Thread Fit

Metric Class 4h

Metric Class 6g

Metric Class 6h

Unified Standard Class 2A

Unified Standard Class 3A

Export Control Classification Number (ECCN)

Countersink Angle

Screw Size

REACH

How can we improve?

4,064 Products

Fastening and Joining

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

Oval Head Screws

Oval Head Screws

The domed top sits slightly above the surface of countersunk holes for a decorative look

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Tapping Screws

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

Hex Head Screws

Hex Head Screws

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

Tighten and loosen by hand without the need for tools

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