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INDUSTRIAL & OEM Fasteners
Master Tappers®
Fin Neck Locking Bolts
Master Driilers®
A-325 Heavy Hex Structural Bolts
Master Drillers® Plymetal
A-325 Heavy Hex Bolt Accessories
Machine Screws
Capscrews
Master Purlin/Girt Bolts®
Nuts & Washers
Culvert Fasteners
Squirter® Washers
Sealing Washers
Solid Steel Rivets
Stainless Steel Guidelines (PDF)
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MASTER TAPPERS®

Roof panel to panel - sheet to structural

  • High Hex Washer Heads provide excellent driver bit control and self tapping threads provide fast efficient steel fastening
  • Quadrex Low Profile Pancake Heads for Panel Clips also provide excellent driver bit control with either Phillips or square drive bits
  • Master Seal Washer System provides a water proof, no leak installation for siding or roofing. Also available without washers
  • The dished washers galvanized backing is vulcanized together with an EDPM sealing washer to form one piece
  • Spiral fluted threads relieve torque and eliminate, roll-over when driving
  • Indented Hex Heads available - Type A, B, AB - 3/4” to 4”, #14 only
  • Master Tappers are available in Case Hardened Steel, HT3 (Modified) 304, High Tensile Stainless Steel - JS600 coated

Applications:

  • TYPE A - provides panel to panel fastening up to 14 gauge
  • TYPE B - with a tighter thread configuration and blunt point provides sheet to pre-drilled structural installation 16 gauge and up
  • TYPE AB - With a combination of tight thread configuration and sharp point for alignment provides installation of sheet to pre-drilled light structural up to 3/16 of an inch
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#14 Type A

5/8” to 8” lengths

1/4" Type B

5/8” to 8” lengths

1/4" Type AB

5/8” to 8” lengths

#17 Type AB

3/4” to 2” lengths

#18-9 Type A

1-5/8” & 2-1/2” lengths

#24 Type A

1” & 2” lengths

Longer lengths available for Master Tappers®

Illustration of Master Tappers Nylon Flexible Flange
Illlustration of Master Tappers Type AB
Illlustration of Master Tappers Type AB
Illustration of Master Tappers Nylon Rigid Flange
Illustration of Master Tappers Pancake Head Fastener
Illlustration of Master Tappers Type A

Colormate®

Flexible

Flange

Master Seal®

Bonded Washer

Vulcanized EPDM providing a 100% seal - No Leaks

Type AB

Type A

Type B

Rigid

Flange

Pancake Head

Image of Master Tappers Avaialble Coatings
All content © Leland Industries Inc. All rights reserved.
Image of Leland Industries Logo Image of Pinty's Series Nascar Logo
Master Tappers®
Fin Neck Locking Bolts
Master Driilers®
A-325 Heavy Hex Structural Bolts
Master Drillers® Plymetal
A-325 Heavy Hex Bolt Accessories
Machine Screws
Capscrews
Master Purlin/Girt Bolts®
Nuts & Washers
Culvert Fasteners
Squirter® Washers
Sealing Washers
Solid Steel Rivets
Stainless Steel Guidelines (PDF)
Image of Industrial Fasteners Title Graphic
Image of Master Tappers
Illustration of Master Tappers Nylon Flexible Flange
Illlustration of Master Tappers Type AB
Illlustration of Master Tappers Type AB
Illustration of Master Tappers Nylon Rigid Flange
Illustration of Master Tappers Pancake Head Fastener
Illlustration of Master Tappers Type A
Image of Master Tappers Avaialble Coatings
All content © Leland Industries Inc. All rights reserved.
Image of Leland Industries Logo Image of Pinty's Series Nascar Logo
INDUSTRIAL & OEM Fasteners
Master Tappers®
Fin Neck Locking Bolts
Master Driilers®
A-325 Heavy Hex Structural Bolts
Master Drillers® Plymetal
A-325 Heavy Hex Bolt Accessories
Machine Screws
Capscrews
Master Purlin/Girt Bolts®
Nuts & Washers
Culvert Fasteners
Squirter® Washers
Sealing Washers
Solid Steel Rivets
Stainless Steel Guidelines (PDF)
Image of Industrial Fasteners Title Graphic
Illustration of Master Tappers Nylon Flexible Flange
Illlustration of Master Tappers Type AB
Illlustration of Master Tappers Type AB
Illustration of Master Tappers Nylon Rigid Flange
Illustration of Master Tappers Pancake Head Fastener
Illlustration of Master Tappers Type A
Image of Master Tappers
Image of Master Tappers Avaialble Coatings
All content © Leland Industries Inc. All rights reserved.
Image of Leland Industries Logo Image of Pinty's Series Nascar Logo
INDUSTRIAL & OEM Fasteners
Image of Industrial Fasteners Title Graphic
Master Tappers®
A-325 Heavy Hex Bolt Accessories
Master Driilers®
Capscrews
Master Drillers® Plymetal
Nuts & Washers
Machine Screws
Squirter® Washers
Master Purlin/Girt Bolts®
Sealing Washers
Culvert Fasteners
Solid Steel Rivets
Fin Neck Locking Bolts
Stainless Steel Guidelines (PDF)
A-325 Heavy Hex Structural Bolts
Illustration of Master Tappers Nylon Flexible Flange
Illlustration of Master Tappers Type AB
Illlustration of Master Tappers Type AB
Illustration of Master Tappers Nylon Rigid Flange
Illustration of Master Tappers Pancake Head Fastener
Illlustration of Master Tappers Type A
Image of Master Tappers
Image of Master Tappers
Image of Master Tappers Avaialble Coatings
All content © Leland Industries Inc. All rights reserved.
Image of Leland Industries Logo Image of Pinty's Series Nascar Logo
INDUSTRIAL & OEM Fasteners
Image of Industrial Fasteners Title Graphic
Master Tappers®
A-325 Heavy Hex Bolt Accessories
Master Driilers®
Capscrews
Master Drillers® Plymetal
Nuts & Washers
Machine Screws
Squirter® Washers
Master Purlin/Girt Bolts®
Sealing Washers
Culvert Fasteners
Solid Steel Rivets
Fin Neck Locking Bolts
Stainless Steel Guidelines (PDF)
A-325 Heavy Hex Structural Bolts
Illustration of Master Tappers Nylon Flexible Flange
Illlustration of Master Tappers Type AB
Illlustration of Master Tappers Type AB
Illustration of Master Tappers Nylon Rigid Flange
Illustration of Master Tappers Pancake Head Fastener
Illlustration of Master Tappers Type A
Image of Master Tappers
Image of Master Tappers
Image of Master Tappers Avaialble Coatings
All content © Leland Industries Inc. All rights reserved.