Impax™ Self Driller fasteners have a precision forged self-drilling point for metal to metal fastening of metal panels to steel substrates up to 1/2” thick depending on drill point size. These fasteners feature a bonded hex washer head or a Sealer (SLR) cupped head style. Galvanized plating plus VistaCoat long-life full fastener coating provides corrosion resistance beyond the industry 1000-hour salt spray standard and built-in UV resistance to combat paint fading. Available painted to match panel colors.

    #12 Self Driller 2.5

  • Head Style/Size: 5/16” AF Hex
  • Point:SD2.5
  • Washer:Bonded Washer or Sealer Cupped EPDM Seal Washer
  • Sizes:1"
  • Other:Up to 8 ga.

    #12 Self Driller 3

  • Head Style/Size: 5/16” AF Hex
  • Point:SD3
  • Washer:Bonded Washer or Sealer Cupped EPDM Seal Washer
  • Sizes:1-1/4” 1-1/2”, 2”, 2-1/2", 3”, 4”
  • Other:Up to 8 ga.

    #12 Self Driller 5

  • Head Style/Size:5/16” Hex AF Hex
  • Point:SD5
  • Washer:Bonded Washer or Sealer Cupped EPDM Seal Washer
  • Sizes:1-1/4", 1-1/2”, 2”
  • Other: Up to 1/2" thick

    1/4-20 Heavy Duty Driller

  • Head Style/Size:3/8” AF Hex
  • Point:SD5
  • Washer:Bonded Washer or Sealer Cupped EPDM Seal Washer
  • Sizes:3”, 4”, 5”, 6”, 7”, 8
  • Other: Up to 1/2" thick


    1/4-14 Stitch Self Driller 1

  • Head Style/Size:5/16” Hex
  • Point:SD1
  • Washer:Bonded Washer or Sealer Cupped EPDM Seal Washer
  • Sizes:7/8”
  • Other:Up to 18 ga.

    1/4-14 Replacement SD 3

  • Head Style/Size:5/16” AF Hex
  • Point:SD3
  • Washer: Bonded Washer Coated
  • Sizes:1-1/4", 1-1/2”, 2”
  • Other:Up to 6 ga.

Contact Us

  • Head Office: 364 Recker Hwy, Auburndale, FL 33823, USA

  • Phone: +1 813-754-0771

  • Email: info@jnjwelding.com

  • Manufacturing Sites: View our Google Map

Auburndale Location

Panama City Location

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