Metric Elevator Bolts | McMaster-Carr

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34 Products

Low-Strength SAE Grade 2 Steel Square-Neck Elevator Bolts

About half the strength of medium-strength bolts, these steel bolts are good for light duty applications. They are commonly used in tight spaces with moving parts, such as grain elevators and other belting systems, because the smooth, low-profile head provides a flush fit when installed. A square neck keeps these bolts from turning when tightening a nut. Zinc plating provides corrosion resistance in wet environments. Length is measured from the top of the head.

				Head, mm		Neck, mm
	Lg., mm	Threading	Thread Spacing	Dia.	Ht.	Wd.	Lg.	Tensile Strength, psi	Includes	Pkg. Qty.		Pkg.
Zinc-Plated Steel





				M6 × 1 mm
				20	Fully Threaded	Coarse	25	2.5	6.68	4	70,000	Nut	25	000000000	000000
				25	Fully Threaded	Coarse	25	2.5	6.68	4	70,000	Nut	25	000000000	00000
				30	Fully Threaded	Coarse	25	2.5	6.68	4	70,000	Nut	25	000000000	00000
				35	Fully Threaded	Coarse	25	2.5	6.68	5.6	70,000	Nut	25	000000000	00000
				40	Fully Threaded	Coarse	25	2.5	6.68	5.6	70,000	Nut	25	000000000	00000



						M8 × 1.25 mm
						20	Fully Threaded	Coarse	30	2.9	8.69	4.8	70,000	Nut	25	000000000	00000
						25	Fully Threaded	Coarse	30	2.9	8.69	4.8	70,000	Nut	25	000000000	00000
						30	Fully Threaded	Coarse	30	2.9	8.69	4.8	70,000	Nut	25	000000000	00000
						35	Fully Threaded	Coarse	30	2.9	8.69	6.4	70,000	Nut	25	000000000	00000
						40	Fully Threaded	Coarse	30	2.9	8.69	6.4	70,000	Nut	25	000000000	00000
						45	Fully Threaded	Coarse	30	2.9	8.69	6.4	70,000	Nut	10	000000000	0000
						50	Fully Threaded	Coarse	30	2.9	8.69	6.4	70,000	Nut	10	000000000	0000



								M10 × 1.5 mm
								25	Fully Threaded	Coarse	33	3.7	9.83	5.7	70,000	Nut	10	000000000	00000
								30	Fully Threaded	Coarse	33	3.7	9.83	5.7	70,000	Nut	10	000000000	00000
								35	Fully Threaded	Coarse	33	3.7	9.83	5.7	70,000	Nut	10	000000000	00000
								40	Fully Threaded	Coarse	33	3.7	9.83	6.4	70,000	Nut	10	000000000	00000
								45	Fully Threaded	Coarse	33	3.7	9.83	6.4	70,000	Nut	10	000000000	00000
								50	Fully Threaded	Coarse	33	3.7	9.83	6.4	70,000	Nut	10	000000000	00000

Stainless Steel Square-Neck Elevator Bolts

Made from stainless steel, these chemical-resistant bolts have a square neck that keeps them from turning when tightening a nut. They're commonly used in tight spaces with moving parts, such as grain elevators and other belting systems, because the smooth, low-profile head provides a flush fit when installed. Length is measured from the top of the head.

18-8 Stainless Steel—18-8 stainless steel bolts have good chemical resistance and may be mildly magnetic.

				Head, mm		Neck, mm
	Lg., mm	Threading	Thread Spacing	Dia.	Ht.	Wd.	Lg.	Tensile Strength, psi	Includes	Pkg. Qty.		Pkg.
18-8 Stainless Steel





				M6 × 1 mm
				20	Fully Threaded	Coarse	25	2.5	6.68	4	70,000	Nut	1	000000000	00000
				30	Fully Threaded	Coarse	25	2.5	6.68	4	70,000	Nut	1	000000000	0000
				40	Fully Threaded	Coarse	25	2.5	6.68	5.6	70,000	Nut	1	000000000	0000



						M8 × 1.25 mm
						20	Fully Threaded	Coarse	30	2.9	8.69	4.8	70,000	Nut	1	000000000	0000
						25	Fully Threaded	Coarse	30	2.9	8.69	4.8	70,000	Nut	1	000000000	0000
						35	Fully Threaded	Coarse	30	2.9	8.69	6.4	70,000	Nut	1	000000000	0000
						50	Fully Threaded	Coarse	30	2.9	8.69	6.4	70,000	Nut	1	000000000	0000



								M10 × 1.5 mm
								35	Fully Threaded	Coarse	30	3.7	10.83	5.7	70,000	Nut	1	000000000	00000
								50	Fully Threaded	Coarse	30	3.7	10.83	6.4	70,000	Nut	1	000000000	00000

Low-Strength SAE Grade 2 Steel Fanged Elevator Bolts

Sharp teeth bite into the surface of wood, rubber belting, and other soft materials to keep the bolt from turning when tightening a nut. These bolts are commonly used in tight spaces with moving parts, such as grain elevators and other belting systems, because the smooth, low-profile head provides a flush fit when installed. Length is measured from the top of the head.

Zinc Plated—Zinc-plated steel bolts resist corrosion in wet environments.

				Head, mm
	Lg., mm	Threading	Thread Spacing	Dia.	Ht.	Tensile Strength, psi	Includes	Pkg. Qty.		Pkg.
Zinc-Plated Steel





				M6 × 1 mm
				25	Fully Threaded	Fine	25	2.4	70,000	Nut	10	000000000	00000
				30	Fully Threaded	Fine	25	2.4	70,000	Nut	10	000000000	0000
				35	Fully Threaded	Fine	25	2.4	70,000	Nut	10	000000000	0000



						M8 × 1.25 mm
						25	Fully Threaded	Coarse	30	2.6	70,000	Nut	5	000000000	0000
						35	Fully Threaded	Coarse	30	2.6	70,000	Nut	5	000000000	0000
						40	Fully Threaded	Coarse	30	2.6	70,000	Nut	5	000000000	0000



								M10 × 1.5 mm
								30	Fully Threaded	Coarse	33	3.5	70,000	Nut	5	000000000	0000