Metal Step Ladder T4 Anti-Slip Checker Plate Stair Treads

• Customization: Available
• After-sales Service: 2 Years
• Warranty: 2 Years
• Model NO.: 253/30/100
• Certification: ISO
• Application: Steel Structure Walkway, Foot Pedal, Drain Cover
• Shape: Flat Shape
• Manufacturing Method: Machine Welding
• Material: Carbon Steel
• Size: 800*250
• Surface: Plain/Anti-Slip
• Surface Treatment: Hot DIP Galvanized
• Standard Size: 20FT by 3FT, 1*6m, 1*5.8m
• Certificate: ISO9001:2008
• Bar Size: 20-100mm
• Hole Size: 30*100mm
• Transport Package: Steel Belts with Plywood
• Specification: 1*1m
• Trademark: JW
• Origin: Hebei, China
• HS Code: 7308900000
• Production Capacity: 10000PCS

Product Description

Our company produces steel ladders with guardrail, which are made of grating treads. When specifying the steel ladders, pls refer to the national standard construction drawing 87J432. According to whether the nosings are to be used and the methods of mounting to stringers, stair treads are classified into four types: T1, T2, T3, T4. We suggest that the dimensions are as follow:

Item	Recommended  maximum stair treads length (mm)
Bearing bar dimension mm	25*3	25*5	32*5
Bearing bar's pitch at 30 mm	550	900	1300
Bearing bar's pitch at 40 mm	450	750	1200

 

Item	Recommended stair treads width (mm)
T1/T2/T3/T4 Bearing bar pitch at 30mm	95	125	155	185	215	245	275
T1/T2 Bearing bar pitch at 40mm T3/T4		125	165		205	245	285
		115	155		195	235	275
Fixing hole center(mm)	45		75		100		150

Bolted fixing and Checker plate nosing.:

This type stair tread is very easy to fix on the steel. And the checker plate has the function of anti-slip. The surface is hot dip glavanized, which will be anti-rust and corrision. The size and type can be customized as customers' need.