Differential Screws | McMaster-Carr

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Stainless Steel

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Less than 70,000 psi

70,000 psi to 79,999 psi

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100,000 psi to 119,999 psi

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DFARS Specialty Metals

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1,769 Products

Thread Adapters

Male Thread Adapters

Metric-to-Metric Male Round Thread Adapters

Metric-to-Metric Male Round Thread Adapters

Finger tighten two female-threaded parts with dissimilar metric thread sizes

Inch-to-Inch Male Round Thread Adapters

Inch-to-Inch Male Round Thread Adapters

Finger tighten two female-threaded parts with dissimilar inch thread sizes

Metric-to-Metric Male Hex Thread Adapters

Metric-to-Metric Male Hex Thread Adapters

Join two female-threaded parts with dissimilar metric thread sizes

Left-Hand to Right-Hand Male Thread Adapters

Left-Hand to Right-Hand Male Thread Adapters

Fasten parts with right-hand threads to parts with left-hand threads

Inch-to-Inch Male Hex Thread Adapters

Inch-to-Inch Male Hex Thread Adapters

Join two female-threaded parts with dissimilar inch thread sizes

Male Round Universal Thread Adapters with Through Hole

Male Round Universal Thread Adapters with Through Hole

Air, liquids, wire, and other thin materials flow through the hole

Inch-to-Metric Male Hex Thread Adapters

Inch-to-Metric Male Hex Thread Adapters

Join inch and metric female-threaded parts

Inch-to-Metric Male Round Thread Adapters

Inch-to-Metric Male Round Thread Adapters

Finger tighten two female-threaded parts with inch and metric thread sizes

Hex Drive Thread Adapters

Hex Drive Thread Adapters

Hex Drive Thread Adapters

Join coarse threads to fine threads using a hex key

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Secure setup clamps and fixtures to your machine table or assemble heavy machines

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Press, weld, or screw in place to add a threaded fastening point

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

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