Nylon Reinforced Deklite Fasteners

From the Total Cladding and Roofing Technical Library

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Two black nylon Deklite augers with square drive heads and tapered buttress threads

Nylon Reinforced Deklite Fasteners

Manufacturer
Triangle Fastener Corporation
Product
Nylon Reinforced Deklite Fasteners
Status
Current
Market
United States
Last verified
October 15, 2026

Nylon Reinforced Deklite Fasteners

The Nylon Reinforced Fiberglass Auger, Deklite DL-SQ1/4, is a non-penetrating fastener for lightweight roof decks. It attaches insulation and membrane when used with Deklite stress plates, a common step in low-slope roof assemblies with insulation and membranes. The decks are lightweight concrete, Tectum and gypsum.

The auger is made of glass-filled nylon. It has a 3.5 T.P.I. buttress thread with a major thread diameter of .750. The tapered Deklite root progressively compacts the material, which makes the deck denser around the root and increases pull out values. The tapered design also yields 70% more surface area, which gives greater holding power. The auger locks to the plate upon installation.

Sizes

  • 2 1/2 in: 500 per package; 13 lb.
  • 3 in: 500 per package; 15 lb.
  • 3 1/2 in: 500 per package; 17 lb.
  • 4 in: 500 per package; 19 lb.
  • 4 1/2 in: 500 per package; 21 lb.
  • 5 in: 500 per package; 24 lb.
  • 5 1/2 in: 500 per package; 26 lb.
  • 6 in: 500 per package; 28 lb.
  • 6 1/2 in: 500 per package; 29 lb.
  • 7 in: 500 per package; 30 lb.
  • 7 1/2 in: 500 per package; 32 lb.
  • 8 in: 250 per package; 16 lb.
  • 8 1/2 in: 250 per package; 17 lb.
  • 9 in: 250 per package; 18 lb.
  • 9 1/2 in: 250 per package; 19 lb.
  • 10 in: 250 per package; 20 lb.

Data sheets and technical documents

Current

Current files

Archive

Archived files

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Head, drive and coating

  • Head size: 1 in diameter
  • Head style: double internal hex drive
  • Drive: 1/4 in square
  • Thread: 3.5 T.P.I. buttress, major thread diameter .750
  • Material: glass-filled nylon

Approvals and listings

  • FM Approved