Metric Blue Hex Head Cap Screws

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68 Products

About Hex Head Screws and Bolts

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

Steel Hex Head Screws


Fully Threaded	Partially Threaded

Our most popular hex head screws. These 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.

High-Strength Fastener—Commonly used to fasten components in valves, pumps, motors, and other high-stress applications. These screws have a tensile strength of 125,000 to 160,000 psi.

Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.

Dyed Steel—The distinctive blue color makes it easy to tell these metric-sized screws apart from inch screws.

		Head, mm
	Lg., mm	Wd.	Ht.	Threading	Thread Spacing	Fastener Strength Grade/Class	Tensile Strength, psi	Pkg. Qty.		Pkg.
High-Strength Blue-Dyed Zinc-Plated Steel







				M6 × 1 mm

				16	10	4	Fully Threaded	Coarse	Class 10.9	150,000	50	90180A611	000000


				20	10	4	Fully Threaded	Coarse	Class 10.9	150,000	50	90180A612	00000
				25	10	4	Fully Threaded	Coarse	Class 10.9	150,000	25	90180A613	0000
				30	10	4	Partially Threaded	Coarse	Class 10.9	150,000	25	90180A614	00000
				35	10	4	Partially Threaded	Coarse	Class 10.9	150,000	25	90180A615	00000
				40	10	4	Partially Threaded	Coarse	Class 10.9	150,000	25	90180A616	00000
				50	10	4	Partially Threaded	Coarse	Class 10.9	150,000	25	90180A617	00000




						M8 × 1.25 mm

						16	13	5.3	Fully Threaded	Coarse	Class 10.9	150,000	25	90180A618	00000


						20	13	5.3	Fully Threaded	Coarse	Class 10.9	150,000	25	90180A619	00000
						25	13	5.3	Fully Threaded	Coarse	Class 10.9	150,000	25	90180A621	00000
						30	13	5.3	Fully Threaded	Coarse	Class 10.9	150,000	25	90180A622	00000
						35	13	5.3	Partially Threaded	Coarse	Class 10.9	150,000	10	90180A623	0000
						40	13	5.3	Partially Threaded	Coarse	Class 10.9	150,000	10	90180A624	0000
						50	13	5.3	Partially Threaded	Coarse	Class 10.9	150,000	10	90180A625	00000
						60	13	5.3	Partially Threaded	Coarse	Class 10.9	150,000	10	90180A626	00000
						70	13	5.3	Partially Threaded	Coarse	Class 10.9	150,000	10	90180A627	00000
						80	13	5.3	Partially Threaded	Coarse	Class 10.9	150,000	10	90180A628	00000




								M10 × 1.5 mm

								20	17	6.4	Fully Threaded	Coarse	Class 10.9	150,000	10	90180A629	00000


								25	17	6.4	Fully Threaded	Coarse	Class 10.9	150,000	10	90180A631	00000
								30	17	6.4	Fully Threaded	Coarse	Class 10.9	150,000	10	90180A632	00000
								35	17	6.4	Fully Threaded	Coarse	Class 10.9	150,000	10	90180A633	00000
								40	17	6.4	Partially Threaded	Coarse	Class 10.9	150,000	10	90180A634	00000
								50	17	6.4	Partially Threaded	Coarse	Class 10.9	150,000	5	90180A635	0000
								60	17	6.4	Partially Threaded	Coarse	Class 10.9	150,000	5	90180A636	00000
								70	17	6.4	Partially Threaded	Coarse	Class 10.9	150,000	5	90180A637	00000
								75	17	6.4	Partially Threaded	Coarse	Class 10.9	150,000	5	90180A638	00000
								80	17	6.4	Partially Threaded	Coarse	Class 10.9	150,000	5	90180A639	00000
								90	17	6.4	Partially Threaded	Coarse	Class 10.9	150,000	5	90180A641	00000


								100	17	6.4	Partially Threaded	Coarse	Class 10.9	150,000	1	90180A642	0000
								120	17	6.4	Partially Threaded	Coarse	Class 10.9	150,000	1	90180A643	0000




										M12 × 1.75 mm

20	19									7.5	Fully Threaded	Coarse	Class 10.9	150,000	5	90180A644	0000


25	19									7.5	Fully Threaded	Coarse	Class 10.9	150,000	5	90180A645	0000
30	19	7.5								Fully Threaded	Coarse	Class 10.9	150,000	5	90180A646	0000
35	19	7.5	Fully Threaded							Coarse	Class 10.9	150,000	5	90180A647	0000
40	19	7.5	Fully Threaded							Coarse	Class 10.9	150,000	5	90180A648	00000
45	19	7.5	Fully Threaded							Coarse	Class 10.9	150,000	5	90180A649	00000
50	19	7.5	Partially Threaded							Coarse	Class 10.9	150,000	5	90180A651	00000
60	19	7.5	Partially Threaded							Coarse	Class 10.9	150,000	5	90180A652	00000
70	19	7.5	Partially Threaded							Coarse	Class 10.9	150,000	5	90180A653	00000
80	19	7.5	Partially Threaded							Coarse	Class 10.9	150,000	1	90180A654	0000
90	19	7.5	Partially Threaded							Coarse	Class 10.9	150,000	1	90180A655	0000


100	19	7.5	Partially Threaded							Coarse	Class 10.9	150,000	1	90180A656	0000
110	19	7.5	Partially Threaded							Coarse	Class 10.9	150,000	1	90180A657	0000
120	19	7.5	Partially Threaded							Coarse	Class 10.9	150,000	1	90180A658	0000




		M16 × 2 mm

		30	24	10	Fully Threaded					Coarse	Class 10.9	150,000	5	90180A659	00000


		35	24	10	Fully Threaded					Coarse	Class 10.9	150,000	1	90180A661	0000
		40	24	10	Fully Threaded					Coarse	Class 10.9	150,000	1	90180A662	0000
		45	24	10	Fully Threaded					Coarse	Class 10.9	150,000	1	90180A663	0000
		50	24	10	Fully Threaded					Coarse	Class 10.9	150,000	1	90180A664	0000
		60	24	10	Partially Threaded					Coarse	Class 10.9	150,000	1	90180A665	0000
		70	24	10	Partially Threaded					Coarse	Class 10.9	150,000	1	90180A666	0000
		80	24	10	Partially Threaded					Coarse	Class 10.9	150,000	1	90180A667	0000
		100	24	10	Partially Threaded					Coarse	Class 10.9	150,000	1	90180A668	0000
		120	24	10	Partially Threaded					Coarse	Class 10.9	150,000	1	90180A669	0000
		140	24	10	Partially Threaded					Coarse	Class 10.9	150,000	1	90180A671	0000




				M20 × 2.5 mm

				60	30	12.5	Fully Threaded			Coarse	Class 10.9	150,000	1	90180A672	0000


				70	30	12.5	Partially Threaded			Coarse	Class 10.9	150,000	1	90180A673	0000
				80	30	12.5	Partially Threaded			Coarse	Class 10.9	150,000	1	90180A674	0000
				90	30	12.5	Partially Threaded			Coarse	Class 10.9	150,000	1	90180A675	0000
				100	30	12.5	Partially Threaded			Coarse	Class 10.9	150,000	1	90180A676	00000
				120	30	12.5	Partially Threaded			Coarse	Class 10.9	150,000	1	90180A677	00000
				140	30	12.5	Partially Threaded			Coarse	Class 10.9	150,000	1	90180A678	00000




						M24 × 3 mm

						80	36			15	Partially Threaded	Coarse	Class 10.9	150,000	1	90180A679	00000


						90	36			15	Partially Threaded	Coarse	Class 10.9	150,000	1	90180A681	00000
						100	36			15	Partially Threaded	Coarse	Class 10.9	150,000	1	90180A682	00000
						120	36	15		Partially Threaded	Coarse	Class 10.9	150,000	1	90180A683	00000
						140	36	15	Partially Threaded	Coarse	Class 10.9	150,000	1	90180A684	00000
						150	36	15	Partially Threaded	Coarse	Class 10.9	150,000	1	90180A685	00000