3-48 Bolts | McMaster-Carr

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Fastener Head Type

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Material

Stainless Steel

Threading

Partially Threaded

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Rounded Head Style

Thread Type

Flat Head Profile

Thread Spacing

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

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Specifications Met

Countersink Angle

DFARS Specialty Metals

Thread Fit

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 3A

Hardness

Export Control Classification Number (ECCN)

REACH

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241 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

Set Screws

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

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

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