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Self-drilling family

Tek screws: drill, tap, fix

The hardened point cuts through sheet steel, flutes clear the swarf and the thread forms straight after, so no pilot hole and no tool change.

Price Tek screws
Zinc hex washer self-drilling screw

Spec range

SteelHardened SAE 1022, or bi-metal A2 head with carbon point
StandardsDIN 7504K, DIN 7504N, ISO 15480
Diameter4.2 – 6.3 mm (#8 – #14)
Length13 – 80 mm
HeadHex washer, hex flange, pan flange, wafer
DriveHex 5/16" or 3/8", Phillips, Torx
Drilling1.5 – 5 mm steel by point type
FinishZinc, zinc-aluminium, Magni, ruspert

Versions

Modified truss head

Modified truss head

Broad low head resists pull-through

Pan head

Pan head

Everyday sheet-to-sheet fixing

Truss head

Truss head

Spreads load on lath, mesh, thin sheet

Window screw, white zinc

Window screw, white zinc

For aluminium window frames

Hex washer with EPDM

Hex washer with EPDM

Bonded washer seals roof sheet

Used for

  • Steel roofs and cladding
  • Pre-engineered buildings
  • HVAC duct
  • Steel stud framing
  • Sheet metal work
  • Solar mounting