Monel Screws | McMaster-Carr

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68 Products

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Nickel Socket Head Screws

The strongest ultra-corrosion-resistant screws we offer, these withstand some of the harshest acids and salt water. The deep, six-point socket keeps hex keys from slipping out and damaging the drive.

Length is measured from under the head.

Ultra-Corrosion-Resistant 400 Nickel—As strong as 316 stainless steel screws and outperform them in salt water and harsh acids. 400 nickel is also known as Monel.

		Head
	Lg.	Dia.	Ht.	Threading	Thread Spacing	Tensile Strength, psi		Each
Ultra-Corrosion-Resistant 400 Nickel







				4-40

				1/4"	0.183"	0.112"	Fully Threaded	Coarse	70,000	96146A115	00000


				5/16"	0.183"	0.112"	Fully Threaded	Coarse	70,000	96146A116	0000
				3/8"	0.183"	0.112"	Fully Threaded	Coarse	70,000	96146A117	00000
				1/2"	0.183"	0.112"	Fully Threaded	Coarse	70,000	96146A118	00000




						6-32

						3/8"	0.226"	0.138"	Fully Threaded	Coarse	70,000	96146A125	00000


						1/2"	0.226"	0.138"	Fully Threaded	Coarse	70,000	96146A127	00000




								8-32

								3/8"	0.27"	0.164"	Fully Threaded	Coarse	70,000	96146A135	00000


								1/2"	0.27"	0.164"	Fully Threaded	Coarse	70,000	96146A137	00000
								3/4"	0.27"	0.164"	Fully Threaded	Coarse	70,000	96146A141	00000




										10-32

										1/2"	5/16"	0.19"	Fully Threaded	Fine	70,000	96146A155	00000


										1"	5/16"	0.19"	Fully Threaded	Fine	70,000	96146A161	00000




												1/4"-20

												1/2"	3/8"	1/4"	Fully Threaded	Coarse	70,000	96146A175	00000


												5/8"	3/8"	1/4"	Fully Threaded	Coarse	70,000	96146A177	00000
												3/4"	3/8"	1/4"	Fully Threaded	Coarse	70,000	96146A179	00000
												1"	3/8"	1/4"	Fully Threaded	Coarse	70,000	96146A181	00000
												1 1/4"	3/8"	1/4"	Fully Threaded	Coarse	70,000	96146A183	00000




														M3 × 0.5 mm

6 mm	5.5 mm													3 mm	Fully Threaded	Coarse	70,000	96146A211	00000


12 mm	5.5 mm													3 mm	Fully Threaded	Coarse	70,000	96146A214	00000




		M6 × 1 mm

		16 mm	10 mm											6 mm	Fully Threaded	Coarse	70,000	96146A227	00000


		25 mm	10 mm											6 mm	Fully Threaded	Coarse	70,000	96146A229	00000

Mil. Spec. Nickel Hex Head Screws


Fully Threaded	Partially Threaded

Manufactured and tested to meet strict U.S. military specifications for material and construction. Also known as Monel, 400 nickel is as strong as 316 stainless steel and outperforms it in salt water and harsh acids. These screws have a head with six flat sides to keep wrenches and sockets from slipping and rounding off the drive.

Length is measured from under the head.

		Head
	Lg.	Wd.	Ht.	Threading	Thread Spacing	Tensile Strength, psi	Mil. Spec.		Each
Ultra-Corrosion-Resistant 400 Nickel







				1/4"-20

				1/2"	7/16"	5/32"	Fully Threaded	Coarse	80,000	MIL-S-1222	90780A538	00000


				3/4"	7/16"	5/32"	Fully Threaded	Coarse	80,000	MIL-S-1222	90780A540	0000
				1"	7/16"	5/32"	Fully Threaded	Coarse	80,000	MIL-S-1222	90780A542	0000
				1 1/2"	7/16"	5/32"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A546	0000
				2"	7/16"	5/32"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A548	0000




						5/16"-18

						3/4"	1/2"	13/64"	Fully Threaded	Coarse	80,000	MIL-S-1222	90780A580	0000


						1"	1/2"	13/64"	Fully Threaded	Coarse	80,000	MIL-S-1222	90780A583	0000
						1 1/2"	1/2"	13/64"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A587	0000
						2"	1/2"	13/64"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A589	00000




								3/8"-16

								1"	9/16"	15/64"	Fully Threaded	Coarse	80,000	MIL-S-1222	90780A624	0000


								1 1/4"	9/16"	15/64"	Fully Threaded	Coarse	80,000	MIL-S-1222	90780A626	0000
								1 1/2"	9/16"	15/64"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A628	00000
								2"	9/16"	15/64"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A630	00000




										1/2"-13

										1 1/2"	3/4"	5/16"	Fully Threaded	Coarse	80,000	MIL-S-1222	90780A716	00000


										2"	3/4"	5/16"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A720	00000
										2 1/2"	3/4"	5/16"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A722	00000
										3"	3/4"	5/16"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A724	00000




												5/8"-11

												2"	15/16"	25/64"	Fully Threaded	Coarse	80,000	MIL-S-1222	90780A805	00000


												2 1/2"	15/16"	25/64"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A809	00000
												3"	15/16"	25/64"	Partially Threaded	Coarse	80,000	MIL-S-1222	90780A813	00000

Nickel Cup-Tip Set Screws

The most corrosion-resistant set screws we offer. Made of nickel, these screws match 316 stainless steel's strength but outperform it in salt water and harsh acid environments. The tip has thin edges that dig into surfaces for a secure hold. They often lock gears, pulleys, and other transmission components onto shafts. 400 Nickel is also known as Monel.

		Each
Ultra-Corrosion-Resistant 400 Nickel







	10-24

	3/16"	3/32"	Not Rated	93386A261	00000


	1/4"	3/32"	Not Rated	93386A265	0000
	3/8"	3/32"	Not Rated	93386A273	0000
	1/2"	3/32"	Not Rated	93386A277	0000




			10-32

			3/16"	3/32"	Not Rated	93386A310	0000


			1/4"	3/32"	Not Rated	93386A315	0000
			3/8"	3/32"	Not Rated	93386A321	0000
			1/2"	3/32"	Not Rated	93386A326	0000




					1/4"-20

					3/16"	1/8"	Not Rated	93386A436	0000


					1/4"	1/8"	Not Rated	93386A442	0000
					5/16"	1/8"	Not Rated	93386A448	00000
					3/8"	1/8"	Not Rated	93386A454	00000
					1/2"	1/8"	Not Rated	93386A460	00000




							5/16"-18

							5/16"	5/32"	Not Rated	93386A496	0000


							3/8"	5/32"	Not Rated	93386A502	0000
							1/2"	5/32"	Not Rated	93386A508	00000




									3/8"-16

									3/8"	3/16"	Not Rated	93386A616	0000


									1/2"	3/16"	Not Rated	93386A622	00000
									3/4"	3/16"	Not Rated	93386A628	00000
									1"	3/16"	Not Rated	93386A634	00000

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications, from mounting I-beams to suspending light fixtures.

Nickel

These rods have similar strength to 316 stainless steel but hold up to a wider range of harsh acids. Commonly found in the oil and gas industries, they're often used as a high-strength alternative to titanium.

Highly Corrosion-Resistant 400 Nickel—Also known as Monel, 400 nickel stands up to salt water and harsh acids.

	Specs. Met		Each
Highly Corrosion-Resistant 400 Nickel







	1/4"-20

	1	80,000	Not Rated	ASTM B164	95815A510	000000


	3	80,000	Not Rated	ASTM B164	95815A520	000000




			3/8"-16

			1	80,000	Not Rated	ASTM B164	95815A392	00000


			3	80,000	Not Rated	ASTM B164	95815A340	000000




					1/2"-13

					1	80,000	Not Rated	ASTM B164	95815A393	00000


					3	80,000	Not Rated	ASTM B164	95815A350	000000




							5/8"-11

							1	80,000	Not Rated	ASTM B164	95815A394	000000


							3	80,000	Not Rated	ASTM B164	95815A360	000000