/ Bar Grating / Stair Treads
Bar Grating
Standard Grating
Heavy Duty Grating
Stainless Steel Grating
Aluminum Grating
Stair Treads
Manufacturing Tolerance
Fastening Methods
Grating Terms
Safety Grating
Expanded Metals
Fiberglass Grating
Stair Tread

Detail of standard end plate

Grating
Depth		 Dimension
B 		Dimension
C
3/4 (19) to 1-1/4 (32) 1-3/4 (44) 2-1/2 (64)
1-1/2 (38) and up 2-1/4 (57) 3(76)

Detail of standard end plate
Tread Width Number of
Bearing Bars		 "A" Dimension
6-3/16" 157mm 5 2-1/2" 64mm
7-3/8" 187mm 6 4-1/2" 114mm
8-9/16" 217mm 7 4-1/2" 114mm
9-3/4" 248mm 8 7" & 4-1/2" 178mm
10-15/16" 278mm 9 7" & 4-1/2" 178mm
12-1/8" 308mm 10 7" & 4-1/2" 178mm
Welded Steel

Checker Plate Nosing

Cast Aluminum
Abrasive Nosing

Recommended bearing bar sizes
Bearing Bar Size
in. (mm) 		Maximum Length of Tread
@ 1-3/16" (30)
Plain Serrated
Imperial Metric Imperial Metric Imperial Metric
1" x 3/16" 25 x 4.8 3'-5" 1046 2'-10" 860
1-1/4" x 3/16" 32 x 4.8 4'-6" 1420 4'-2" 1270
1-1/2" x 3/16" 38 x 4.8 5'-6" 1670 5'-3" 1600
Fisholow Aluminum

Corrugated
Angle Nosing

Cast Aluminum
Abrasive Nosing

Recommended bearing bar sizes
Bearing Bar Size
in. (mm) 		Maximum Length of Tread
@ 1-3/16" (30)
Plain Serrated
Imperial Metric Imperial Metric Imperial Metric
1" x 3/16" 25 x 4.8 2'-4" 710 0 0
1-1/4" x 3/16" 32 x 4.8 2'-10" 860 2'-7" 790
1-1/2" x 3/16" 38 x 4.8 3'-6" 1070 3'-2" 970
Note: For treads width 9-3/4, 10-15/16 and 12-1/8 standard end plate is complete with 2 slots. See "A" Dimension in chart
Design and hosting by ICM Consulting Corp. Copyright ©2006 FISHER & LUDLOW