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GENERAL CONSTRUCTION

Fasteners

MASTER ONE STEPPERS®

Thermal Expansion Fasteners

U.S. Patent #5987837,
Cdn. Patent #2221679
Panel to wood frame substrate
  • Revolutionary design, self drills expansion hole, automatically centers screw in expansion hole, allows installed panels to float, preventing cracking caused by expansion and contraction
  • All Master One Steppers are 12-11 diameter with sharp piercing points
  • Available with either Hex Washer Heads (1/4” AF) or Low Profile Pancake Heads
  • (7/16” O.D.) Quadrex drive, 1-1/4”, 1-1/2”, 1-3/4”, 2”, 2-1/4”, 2-1/2”
  • One Steppers are assembled with Master Seal® 14 mm O.D. aluminum backed cushioning washers
  • Available in case Hardened Steel, JS1000 plated or DT2000 Longlife coated
  • Carbon steel fasteners are salt spray tested per ASTM B117
  • Available in 304 HT High Tensile & 410 Case Hardened Stainless Steel
Applications:
  • F.R.P. or PVC panels to wood
  • Fluted or Cored panels
  • Corrugated Polycarbonate panels
  • Fibre Cement panels.
MSS Fastener Application Diagram
MSS Fastener Application Diagram

HEAD TYPES

1/4” Hexwasher head

Low profile Pancake head

FIVE PANEL

THICKNESSES UP TO:

.100 / .250 / .375 / .500 / .750

Illustration of MSS Fastener
Illustration of MSS Fastener

Master Seal

Sealing Washer

Provides a

cushioned expansion

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All content © Leland Industries Inc., 2017. All rights reserved.

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MSS Fastener Application Diagram
MSS Fastener Application Diagram
Illustration of MSS Fastener
Illustration of MSS Fastener
Image of Master One Steppers Available Coatings
Image of Leland Industries Logo Image of Pinty's Series Nascar Logo
Image of Metal Building Title Graphic
Illustration of MSS Fastener
Illustration of MSS Fastener
MSS Fastener Application Diagram
MSS Fastener Application Diagram
Image of Master One Steppers Available Coatings
Image of Leland Industries Logo Image of Pinty's Series Nascar Logo
Image of Metal Building Title Graphic
Illustration of MSS Fastener
Illustration of MSS Fastener
Illustration of MSS Fastener
MSS Fastener Application Diagram
MSS Fastener Application Diagram
Image of Master One Steppers Available Coatings
Image of Leland Industries Logo Image of Pinty's Series Nascar Logo
Image of Metal Building Title Graphic
Illustration of MSS Fastener
Illustration of MSS Fastener
MSS Fastener Application Diagram
MSS Fastener Application Diagram
Image of Master One Steppers Available Coatings