C2040 Chain Links | McMaster-Carr

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Adding and Connecting

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Corrosion-Resistant Coated

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28 Products

Roller Chain Type

Attachment

Attach brackets and guides, or move material directly

6 products

Link Type

Connecting

Join both ends of your chain

8 products

Link Type

Adding

Extend the length of your chain

5 products

Adding and Connecting

An all-in-one link for adding and connecting

3 products

Flat-Edge Roller Chain and Links


Connecting Links	Adding Links	Adding-and-Connecting Links

No more hang-ups thanks to the flat, oblong side plates that create a level surface to keep items moving along conveyor lines. Unlike standard roller chain, there are no divots to snag products. Pair this chain with sprockets to transmit power between rotating shafts.

Lubrication is key to smooth operation and long chain life. Routinely apply oil by hand or install an oil dispenser for continuous lubrication.

Double Pitch—This chain has links that are twice as long as those on a single-pitch chain, making it lighter in weight and more energy-efficient over long drives. However, it operates at slower speeds. Use it with standard sprockets that have at least 24 teeth.

Steel—The go-to for roller chain, steel is strong and economical. While proper lubrication helps prevent rusting, it’s not as corrosion resistant as coated or stainless steel.

Corrosion-Resistant-Coated Steel—Combines the strength of steel with the corrosion resistance of stainless steel. The coating has been tested to withstand 500 hours of salt spray, so it holds up well in wet and outdoor conditions.

Corrosion-Resistant 304 Stainless Steel—Won't corrode from frequent washdowns and mild chemicals, including ammonia often found in cleaning solutions.

Connecting Link—Use a single link to join both ends of your chain. Start by removing the spring clip or cotter pin from the link’s side plate. Then, slide the link pins into the mating rollers at each end of your chain and snap the clip back on. Also known as master links.

Adding Link—Attach with a connecting link to extend the length of your chain. Each link adds a length equal to the chain’s pitch. Also known as roller links.

Adding-and-Connecting Link—An all-in-one link for adding and connecting. It adds a half-pitch length at the roller end, allowing finer length adjustments than full-pitch links. The pin end connects to your chain. Remove the side plate to install. Also known as half links and offset links.

	Roller Chain						Connecting Links		Adding Links		Adding-and-Connecting Links
	Trade No.	Std.	Pitch	Roller Dia.	Roller Wd.	Working Load, lb.		Each		Each		Each
Double Pitch







				Steel

				C2040	ANSI	1"	0.312"	5/16"	600	000000000	00000	000000000	00000	000000000	00000




						Corrosion-Resistant-Coated Steel

						C2040	ANSI	1"	0.312"	5/16"	600	00000000	0000	00000000	0000	00000000	0000




								Corrosion-Resistant 304 Stainless Steel

								C2040	ANSI	1"	0.312"	5/16"	95	0000000	0000	0000000	0000	0000000	00000

Flat-Edge Attachment Roller Chain Links


Connecting Links A-1 Attachment	Connecting Links K-1 Attachment	Connecting Links SA-1 Attachment

Connecting Links SK-1 Attachment	Adding Links K-1 Attachment

Add these links to your flat-edge roller chain to attach brackets and guides or move items directly in conveying, timing, and aligning setups. The flat, oblong side plates create a level surface that keeps items moving along conveyor lines. Unlike standard attachment links, there are no divots to snag or hang up products. We offer compatible flat-edge chain for your convenience. When using your own chain, make sure the trade numbers match.

Lubrication is key to smooth operation and long chain life. Routinely apply oil by hand or install an oil dispenser for continuous lubrication.

Steel—The go-to for roller chain, steel is strong and economical. While proper lubrication helps prevent rusting, it’s not as corrosion resistant as coated or stainless steel.

Adding Link—Attach with a connecting link to extend the length of your chain. Each link adds a length equal to the chain’s pitch. Also known as roller links.

Tab—The tabs have holes to mount parts and hang hooks.

	Links												Chain
	Attachment		Roller Chain						Connecting Links		Adding Links
	Style	Type	Trade No.	Std.	Pitch	Roller Dia.	Roller Wd.	Working Load, lb.		Each		Each		Per Ft.
Double Pitch







				Steel

				A-1	Tab	C2040	ANSI	1"	0.312"	5/16"	600	0000000	00000	———	0	00000000	00000


				K-1	Tab	C2040	ANSI	1"	0.312"	5/16"	600	0000000	0000	0000000	00000	00000000	0000
				SA-1	Tab	C2040	ANSI	1"	0.312"	5/16"	600	0000000	0000	———	0	00000000	0000
				SK-1	Tab	C2040	ANSI	1"	0.312"	5/16"	600	0000000	0000	———	0	00000000	0000