M Series – Durable, Flexible, and Jobsite Ready

The M Series delivers the strength and stability of a mason-style scaffold with the flexibility crews need. Featuring square-end frames, quick snap-on locks, and OSHA-compliant design, it’s built to handle demanding work with ease. Available in a variety of sizes, the M Series stacks, secures, and adapts effortlessly with a full range of accessories. Explore the lineup below.

M-Series Scaffold

Specifications – Leg: 1.625″ O.D. Tubing – Rungs: Pinch Cut – Locks: F Locks – Coupling Pins: Welded In

M-Series Ladder Frames

Part Number: M-283L
Description: 28″ × 3′1″ Ladder
Weight: 20.0 lbs

Part Number: M-285L
Description: 28″ × 5′1″ Ladder
Weight: 24.0 lbs

Part Number: M-286L
Description: 28″ × 6′ Ladder
Weight: 27.0 lbs

28 inch by 3 foot 1 inch M series ladder frame

M-283L

28 inch by 5 foot 1 inch M series ladder frame

M-285L

28 inch by 6 foot M series ladder frame

M-286L

M-Series Double Ladder Frames

Part Number: M-531D
Description: 5′ × 3′1″ Double Ladder Frame
Weight: 30.0 lbs

Part Number: M-541D
Description: 5′ × 4′1″ Double Ladder Frame
Weight: 37.0 lbs

Part Number: M-551D
Description: 5′ × 5′1″ Double Ladder Frame
Weight: 43.0 lbs

Part Number: M-567D
Description: 5′ × 6′ 7″ Double Ladder Frame
Weight: 49.0 lbs

5 foot by 3 foot 1 inch M series double ladder frame

M-531D

5 foot by 4 foot 1 inch M series double ladder frame

M-541D

5 foot by 5 foot 1 inch M series double ladder frame

M-551D

5 foot by 6 foot 7 inches M series double ladder frame

M-567D

M-Series Guard Rail Posts

Part Number: M-GRPC
Description: Guard Rail Post (Corner)
Weight: 6.0 lbs

Part Number: M-GRP
Description: Guard Rail Post (Inline)
Weight: 6.0 lbs

M series guard rail post corner

M-GRPC

M series guard rail post inline

M-GRP

M-Series Coupling Pins / Saddle Pins

Part Number: CPW
Description: 1 5/16″ Coupling Pin w/o Collar 
Weight: 0.5 lbs

Part Number: CPW8
Description: 1 5/16″ Coupling Pin w/ 1/8″ Collar 
Weight: 0.5 lbs

Part Number: M-SP
Description: Saddle Pin 
Weight: 2.5 lbs

Part Number: M-SPL
Description: Saddle Pin w/ Long Leg
Weight: 3.0 lbs

1 5/16 inch coupling pin without collar

CPW

1 5/16 inch coupling pin with 1/8 inch collar

CPW8

M series saddle pin

M-SP

M series saddle pin with long leg

M-SPL

M-Series Single Ladder Frames

Part Number: M-521S
Description: 5′ × 2’1″ Single Ladder Frame
Weight: 28.0 lbs

Part Number: M-531S
Description: 5′ × 3’1″ Single Ladder Frame
Weight: 30.0 lbs

Part Number: M-541S
Description: 5′ × 4’1″ Single Ladder Frame
Weight: 35.0 lbs

Part Number: M-547S
Description: 5′ × 4′ 7″ Single Ladder Frame
Weight: 38.0 lbs

Part Number: M-551S
Description: 5′ × 5’1″ Single Ladder Frame
Weight: 41.0 lbs

Part Number: M-567S
Description: 5′ × 6’7″ Single Ladder Frame
Weight: 47.0 lbs

5 foot by 3 foot 1 inch M series single ladder frame

M-531S

5 foot by 4 foot 1 inch M series single ladder frame

M-541S

5 foot by 5 foot 1 inch M series single ladder frame

M-551S

5 foot by 6 foot 7 inches M series single ladder frame

M-567S

M-Series Walk Thru Frames

Part Number: M-567W
Description: 5′ × 6’7″ Walk Thru Frame
Weight: 46.0 lbs

Part Number: M-567WL
Description: 5′ × 6’7″ Walk Thru Ladder Frame
Weight: 62.0 lbs

Part Number: M-567WH
Description: 5′ × 6’7″ Walk Thru Frame (Heavy Duty)
Weight: 27.0 lbs

5 foot by 6 foot 7 inches M series walk thru frame

M-567W

5 foot by 6 foot 7 inches M series walk thru ladder frame

M-567WL

5 foot by 6 foot 7 inches M series walk thru frame heavy duty

M-567WH

M-Series Side Brackets

Part Number: M-SB20
Description: 20″ Side Bracket
Weight: 6.0 lbs

Part Number: M-SB24
Description: 24″ Side Bracket
Weight: 8.0 lbs

Part Number: M-SB30
Description: 30″ Side Bracket
Weight: 10.0 lbs

M series 20 inch side bracket

M-SB20

M series 24 inch side bracket

M-SB24

Frame Lock Styles

Yellow C frame lock

C-Lock

red S frame lock

S-Lock

blue V frame lock

V-Lock

Gray F frame lock

F-Lock

yellow J frame lock

J-Lock

Gray P frame lock

P-Lock

blue D frame lock

D-Lock

Ready to find the right solution?

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A-1 Scaffold Manufacturing provides durable, American-made scaffolding, shoring, and steel and aluminum access systems built to meet the highest safety standards.