Tap-End Studs | McMaster-Carr

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Vibration-Resistant Threaded on Both Ends Setup Studs

Also known as tap-end studs, inch setup studs have Class 5 friction-fit threads on one end to resist loosening and Class 2A standard threads on the other end for attaching a nut. Metric setup studs have Class SK6 friction-fit threads on one end to resist loosening and Class 6g standard threads on the other end for attaching a nut. They are ideal for machining applications where vibration can loosen clamps. They withstand sideways forces better than fully threaded studs because they have an unthreaded middle that is stronger than the threaded ends. The unthreaded middle also makes more contact with unthreaded holes, creating better alignment than a fully threaded stud. Remove studs with pliers to reuse them.

Steel

Image of Product. Front orientation. Contains Annotated. Setup Studs. Vibration Resistant.

DIN 939—Studs that meet DIN standards meet dimensional and material requirements. Thread Length (B) includes chamfer on DIN 938 and DIN 939 studs.

	Thread
	Lg. (A)	Lg. (B)	Fit (A)	Fit (B)	Lg.	Tensile Strength, psi	Specs. Met		Each
3/8"-16


		1/2"	5/8"	ASME Interference Class 5	Unified Standard Class 2A	1 1/4"	60,000	__	000000000	00000
		1/2"	5/8"	ASME Interference Class 5	Unified Standard Class 2A	1 1/2"	60,000	__	000000000	0000
		1/2"	5/8"	ASME Interference Class 5	Unified Standard Class 2A	1 3/4"	60,000	__	000000000	0000
		1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2"	60,000	__	000000000	0000
		1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/4"	60,000	__	000000000	0000
		1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	60,000	__	000000000	0000
		1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 3/4"	60,000	__	000000000	0000
		1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	3"	60,000	__	000000000	0000

		7/16"-14


				9/16"	5/8"	ASME Interference Class 5	Unified Standard Class 2A	1 1/2"	60,000	__	000000000	0000
				9/16"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2"	60,000	__	000000000	0000
				9/16"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	60,000	__	000000000	0000
				9/16"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	3"	60,000	__	000000000	0000

				1/2"-13


						1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	1 1/2"	60,000	__	000000000	0000
						5/8"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	1 3/4"	60,000	__	000000000	0000
						5/8"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2"	60,000	__	000000000	0000
						5/8"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/4"	60,000	__	000000000	0000
						5/8"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	60,000	__	000000000	0000
						3/4"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	2 3/4"	60,000	__	000000000	0000
						3/4"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	3"	60,000	__	000000000	0000
						3/4"	1"	ASME Interference Class 5	Unified Standard Class 2A	3 1/2"	60,000	__	000000000	0000
						3/4"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	4"	60,000	__	000000000	0000
						7/8"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	4 1/2"	60,000	__	000000000	0000
						7/8"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	5"	60,000	__	000000000	0000

						5/8"-11


								3/4"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	2"	60,000	__	000000000	0000
								3/4"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	2 1/4"	60,000	__	000000000	0000
								3/4"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	60,000	__	000000000	0000
								7/8"	1"	ASME Interference Class 5	Unified Standard Class 2A	3"	60,000	__	000000000	0000
								7/8"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	4"	60,000	__	000000000	0000
								7/8"	1 1/2"	ASME Interference Class 5	Unified Standard Class 2A	5"	60,000	__	000000000	0000
								7/8"	1 1/2"	ASME Interference Class 5	Unified Standard Class 2A	6"	60,000	__	000000000	0000

								3/4"-10


										7/8"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	60,000	__	000000000	0000
										7/8"	1"	ASME Interference Class 5	Unified Standard Class 2A	3"	60,000	__	000000000	0000
										7/8"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	3 1/2"	60,000	__	000000000	0000
										1"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	4"	60,000	__	000000000	0000

										7/8"-9


												1"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	3 1/2"	60,000	__	000000000	0000
												1"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	4"	60,000	__	000000000	0000

												1"-8


														1 1/4"	1 1/2"	ASME Interference Class 5	Unified Standard Class 2A	4"	60,000	__	000000000	00000
														1 1/4"	2"	ASME Interference Class 5	Unified Standard Class 2A	5"	60,000	__	000000000	00000

M4 × 0.7 mm


														5 mm	10 mm	Metric Interference Sk6	Metric Class 6g	20 mm	80,000	__	000000000	0000
														5 mm	15 mm	Metric Interference Sk6	Metric Class 6g	27 mm	80,000	__	000000000	0000

														M6 × 1 mm


																5 mm	10 mm	Metric Interference Sk6	Metric Class 6g	20 mm	80,000	__	000000000	0000
																5 mm	15 mm	Metric Interference Sk6	Metric Class 6g	27 mm	80,000	__	000000000	0000
																8 mm	18 mm	Metric Interference Sk6	Metric Class 6g	35 mm	80,000	__	000000000	0000

		M8 × 1.25 mm


																8 mm	18 mm	Metric Interference Sk6	Metric Class 6g	35 mm	120,000	DIN 939	000000000	0000
																8 mm	22 mm	Metric Interference Sk6	Metric Class 6g	45 mm	120,000	DIN 939	000000000	0000
																8 mm	22 mm	Metric Interference Sk6	Metric Class 6g	60 mm	120,000	DIN 939	000000000	0000
																8 mm	22 mm	Metric Interference Sk6	Metric Class 6g	70 mm	120,000	DIN 939	000000000	0000

				M10 × 1.5 mm


																10 mm	18 mm	Metric Interference Sk6	Metric Class 6g	37 mm	120,000	DIN 939	000000000	0000
																10 mm	23 mm	Metric Interference Sk6	Metric Class 6g	42 mm	120,000	DIN 939	000000000	0000
																10 mm	26 mm	Metric Interference Sk6	Metric Class 6g	52 mm	120,000	DIN 939	000000000	0000
																10 mm	26 mm	Metric Interference Sk6	Metric Class 6g	62 mm	120,000	DIN 939	000000000	0000

																M12 × 1.75 mm


																		12 mm	17 mm	Metric Interference Sk6	Metric Class 6g	40 mm	120,000	DIN 939	000000000	0000
																		12 mm	27 mm	Metric Interference Sk6	Metric Class 6g	50 mm	120,000	DIN 939	000000000	0000
																		12 mm	30 mm	Metric Interference Sk6	Metric Class 6g	60 mm	120,000	DIN 939	000000000	0000
																		12 mm	30 mm	Metric Interference Sk6	Metric Class 6g	70 mm	120,000	DIN 939	000000000	0000

18-8 Stainless Steel

18-8 stainless steel studs have good chemical resistance and resist rusting in humid, damp, and washdown areas. They may be mildly magnetic.

	Thread
	Lg. (A)	Lg. (B)	Fit (A)	Fit (B)	Lg.	Tensile Strength, psi		Each
3/8"-16


		1/2"	5/8"	ASME Interference Class 5	Unified Standard Class 2A	1 1/4"	80,000	000000000	00000
		1/2"	5/8"	ASME Interference Class 5	Unified Standard Class 2A	1 1/2"	80,000	000000000	0000
		1/2"	5/8"	ASME Interference Class 5	Unified Standard Class 2A	1 3/4"	80,000	000000000	0000
		1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2"	80,000	000000000	0000
		1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/4"	80,000	000000000	0000
		1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	80,000	000000000	0000
		1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	3"	80,000	000000000	0000

		7/16"-14


				9/16"	5/8"	ASME Interference Class 5	Unified Standard Class 2A	1 1/2"	80,000	000000000	0000
				9/16"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2"	80,000	000000000	0000
				9/16"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/4"	80,000	000000000	0000
				9/16"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	80,000	000000000	0000
				9/16"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	3"	80,000	000000000	0000

				1/2"-13


						1/2"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	1 1/2"	80,000	000000000	0000
						5/8"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	1 3/4"	80,000	000000000	0000
						5/8"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2"	80,000	000000000	0000
						5/8"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/4"	80,000	000000000	0000
						5/8"	3/4"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	80,000	000000000	0000
						3/4"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	3"	80,000	000000000	0000
						3/4"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	4"	80,000	000000000	00000
						7/8"	1 1/4"	ASME Interference Class 5	Unified Standard Class 2A	5"	80,000	000000000	00000

						5/8"-11


								3/4"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	2"	80,000	000000000	00000
								3/4"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	2 1/4"	80,000	000000000	00000
								3/4"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	80,000	000000000	00000
								7/8"	1"	ASME Interference Class 5	Unified Standard Class 2A	3"	80,000	000000000	00000

								3/4"-10


										7/8"	7/8"	ASME Interference Class 5	Unified Standard Class 2A	2 1/2"	80,000	000000000	00000
										7/8"	1"	ASME Interference Class 5	Unified Standard Class 2A	3"	80,000	000000000	00000

										M4 × 0.7 mm


												5 mm	10 mm	Metric Interference Sk6	Metric Class 6g	20 mm	80,000	000000000	0000
												5 mm	15 mm	Metric Interference Sk6	Metric Class 6g	27 mm	80,000	000000000	0000

												M6 × 1 mm


														5 mm	10 mm	Metric Interference Sk6	Metric Class 6g	20 mm	80,000	000000000	0000
														8 mm	18 mm	Metric Interference Sk6	Metric Class 6g	27 mm	80,000	000000000	0000
														8 mm	18 mm	Metric Interference Sk6	Metric Class 6g	35 mm	80,000	000000000	0000

														M8 × 1.25 mm


																8 mm	18 mm	Metric Interference Sk6	Metric Class 6g	35 mm	80,000	000000000	0000
																8 mm	22 mm	Metric Interference Sk6	Metric Class 6g	45 mm	80,000	000000000	0000
																8 mm	22 mm	Metric Interference Sk6	Metric Class 6g	60 mm	80,000	000000000	0000
8 mm																22 mm	Metric Interference Sk6	Metric Class 6g	70 mm	80,000	000000000	0000

M10 × 1.5 mm


																8 mm	18 mm	Metric Interference Sk6	Metric Class 6g	37 mm	80,000	000000000	0000
																8 mm	22 mm	Metric Interference Sk6	Metric Class 6g	42 mm	80,000	000000000	0000
																8 mm	22 mm	Metric Interference Sk6	Metric Class 6g	52 mm	80,000	000000000	0000
																10 mm	26 mm	Metric Interference Sk6	Metric Class 6g	62 mm	80,000	000000000	0000

																M12 × 1.75 mm


			12 mm														17 mm	Metric Interference Sk6	Metric Class 6g	40 mm	80,000	000000000	0000
			12 mm														27 mm	Metric Interference Sk6	Metric Class 6g	50 mm	80,000	000000000	0000
			12 mm														30 mm	Metric Interference Sk6	Metric Class 6g	60 mm	80,000	000000000	0000
			12 mm														30 mm	Metric Interference Sk6	Metric Class 6g	70 mm	80,000	000000000	0000