Right-Hand Threaded Cap Screws | McMaster-Carr

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Aluminum Oxide Ceramic

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Partially Threaded

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Corrosion-Resistant Coated

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ASTM Grade A325

ASTM Grade A490

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Less than 20,000 psi

20,000 psi to 39,999 psi

40,000 psi to 59,999 psi

60,000 psi to 99,999 psi

100,000 psi or greater

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Metric Class 4g6g

Metric Class 4h

Metric Class 5g6g

Metric Class 6g

Metric Class 6h

Unified Standard Class 2A

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Unified Standard Class 3A

DFARS Specialty Metals

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34,064 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

10,367 products

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

12-Point Screws

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Square Head Screws

Square Head Screws

Turn the large flat sides with a wrench into square holes that stop further rotation

Pentagon Head Screws

Pentagon Head Screws

Create a tamper-resistant joint with a head than can only be removed with a 5-point socket

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