Molybdenum Hex Head Screws

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29 Products

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About Hex Head Screws and Bolts

Choose a hex head fastener with the right threading, thread size, material, and strength for your equipment.

Molybdenum Hex Head Screws


Fully Threaded	Partially Threaded

Handle blistering temperatures up to 2900° F in oxygen-free environments, such as vacuum furnaces. Thermally conductive, heat passes through these screws quickly without deforming them. They're stronger than ceramic screws yet still handle similar temperatures with no trouble. However, they corrode when exposed to oxygen in temperatures above 1100° F. They're also nonmagnetic. Their head gives you six, flat contact points, so wrenches and sockets won't slip and round off the drive.

Length is measured from under the head.

		Head
	Lg.	Wd.	Ht.	Threading	Thread Spacing	Tensile Strength, psi	Max. Temp., ° F	Max. Temp. in a Vacuum, ° F		Each
Ultra-High-Temperature Molybdenum







				1/4"-20

				1/2"	7/16"	5/32"	Fully Threaded	Coarse	85,000	1,100	2,900	91616A111	000000


				3/4"	7/16"	5/32"	Fully Threaded	Coarse	85,000	1,100	2,900	91616A112	00000
				1"	7/16"	5/32"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A113	00000
				1 1/4"	7/16"	5/32"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A114	00000
				1 1/2"	7/16"	5/32"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A115	00000
				2"	7/16"	5/32"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A116	000000




						3/8"-16

						1"	9/16"	15/64"	Fully Threaded	Coarse	85,000	1,100	2,900	91616A117	00000


						1 1/4"	9/16"	15/64"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A118	00000
						1 1/2"	9/16"	15/64"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A119	00000
						2"	9/16"	15/64"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A121	000000
						2 1/2"	9/16"	15/64"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A122	000000
						3"	9/16"	15/64"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A123	000000




								1/2"-13

								1"	3/4"	5/16"	Fully Threaded	Coarse	85,000	1,100	2,900	91616A124	000000


								1 1/4"	3/4"	5/16"	Fully Threaded	Coarse	85,000	1,100	2,900	91616A125	000000
								1 1/2"	3/4"	5/16"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A126	000000
								2"	3/4"	5/16"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A127	000000
								2 1/2"	3/4"	5/16"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A128	000000
								3"	3/4"	5/16"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A129	000000
								3 1/2"	3/4"	5/16"	Partially Threaded	Coarse	85,000	1,100	2,900	91616A131	000000




										M6 × 1 mm

										15 mm	10 mm	4 mm	Fully Threaded	Coarse	85,000	1,100	2,900	91616A132	00000


										20 mm	10 mm	4 mm	Fully Threaded	Coarse	85,000	1,100	2,900	91616A133	00000
										25 mm	10 mm	4 mm	Fully Threaded	Coarse	85,000	1,100	2,900	91616A134	00000
										30 mm	10 mm	4 mm	Partially Threaded	Coarse	85,000	1,100	2,900	91616A135	00000




												M8 × 1.25 mm

15 mm												13 mm	5.3 mm	Fully Threaded	Coarse	85,000	1,100	2,900	91616A136	00000


20 mm	13 mm											5.3 mm	Fully Threaded	Coarse	85,000	1,100	2,900	91616A137	00000
25 mm	13 mm											5.3 mm	Fully Threaded	Coarse	85,000	1,100	2,900	91616A138	00000
30 mm	13 mm	5.3 mm										Fully Threaded	Coarse	85,000	1,100	2,900	91616A139	00000
35 mm	13 mm	5.3 mm	Partially Threaded									Coarse	85,000	1,100	2,900	91616A141	00000
40 mm	13 mm	5.3 mm	Partially Threaded									Coarse	85,000	1,100	2,900	91616A142	00000