Denser bearing bars than the 19 series, giving higher load capacity in the same panel depth.
In the name 15-W-4, the first number is the bearing bar spacing in sixteenths of an inch (15/16" on center), W means welded, and 4 is the cross bar spacing in inches.
~15/16" bearing bar centers (denser than 19 series)
Cross Bars
4" cross bar centers
Typical Use
Higher-load platforms and walkways
Load Profile
Higher load capacity than 19-W-4 with a smaller open-area gap.
Compatible Clips for 15-W-4 Grating
R CLIPS (Odd-Spaced Grating Clips) – Grating clip with a wide rectangular top plate that spans the bearing bars on odd-spaced and irregular bar grating. Sizes: 1" to 1-1/2" bearing bar depth.
S CLIPS (Heavy-Duty Multi-Wing Clips) – Multi-wing grating clip that distributes load across multiple contact points for maximum holding strength. Sizes: 1" to 2-1/2" bearing bar depth.
N CLIPS (Saddle Clips) – Classic saddle grating clip, the industry standard for general-purpose installations. Sizes: Universal fit 3/4" to 2".
C CLIPS (Flush-Mount Grating Clips) – Flat-profile grating clip for flush-mount installations where protruding fasteners are unacceptable. Sizes: 1" to 2" bearing bar depth.
Choose Your Material
Galvanized Carbon Steel: General industrial, cost-sensitive, indoor & sheltered outdoor
304 Stainless Steel: Corrosive environments, food-grade, chemical exposure
316 Stainless Steel: Marine, offshore, saltwater, extreme chemical exposure
Frequently Asked Questions
What does 15-W-4 grating mean?
Denser bearing bars than the 19 series, giving higher load capacity in the same panel depth. In the name 15-W-4, the first number is the bearing bar spacing in sixteenths of an inch (15/16" on center), W means welded, and 4 is the cross bar spacing in inches.
Which clips fit 15-W-4 grating?
R CLIPS, S CLIPS, N CLIPS, C CLIPS are all compatible with 15-W-4 bar grating. Each is stocked in Texas with same-day shipping.
What materials are available?
Compatible clips come in mechanically galvanized carbon steel, 304 stainless, and 316 stainless, matched to your environment.