4-48 Screws | McMaster-Carr

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System of Measurement

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Spring Plunger Driver

Material

Stainless Steel

Fastener Head Type

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Threading

Partially Threaded

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Thread Type

Head Height

Tip Type

Socket Head Profile

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Specifications Met

Hardness

Flat Head Profile

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

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

DFARS Specialty Metals

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124 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

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

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Tighten and loosen by hand without the need for tools

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Measuring and Inspecting

Transfer Punches

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

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