Square Head Set Screws | McMaster-Carr

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About Set Screws

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Set Screws

Steel Square-Head Cup-Point Set Screws

Use these steel set screws for light duty holding.

18-8 Stainless Steel Square-Head
Cup-Point Set Screws

These set screws have good chemical resistance.

Super-Corrosion-Resistant 316 Stainless
Steel Square-Head Cup-Point Set Screws

More corrosion resistant than 18-8 stainless steel set screws, these have excellent resistance to chemicals and salt water.

Alloy Steel Square-Head Cup-Point Set Screws

Alloy steel set screws dig into hard surfaces for a secure hold.

Square-Head Extended-Tip Set Screws

Use the square head to turn these screws by hand, or use a wrench when you need more torque. Also known as half dog-point set screws, they have a protruding tip that locks within a mating hole or slot to keep parts aligned.

Metric Square-Head Extended-Tip Set Screws

These metric screws have a square head, so you can turn them by hand or use a wrench for more torque. Also known as half dog-point set screws, they have a protruding tip that locks within a mating hole or slot to keep parts aligned.

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