Coloured Hex Head Tek Bolts (8)

Hex head Tek bolts, powder coated to any RAL colour. Self-drilling BZP steel fixings for signage, steel fabrication, and structural metalwork — driven with a nut runner or impact driver, no pilot hole required. Available in 4.2mm for thin gauge metal up to 3.0mm, and 5.5mm for structural steel up to 5.0mm.

Choosing the Right Size

4.2mm — Thin Section	For thin gauge steel and sheet metal up to 3.0mm. Sign box fabrication, ACM panel fixing, sheet stitching, light framing. 6.35mm (¼") hex drive.
5.5mm — Structural Section	For structural steel and layered metal up to 5.0mm. Sign frames, RHS posts, cladding rails, brackets and secondary steelwork. 8mm hex drive.

Colour Matched to Your Project

40 RAL colours stocked for standard lead times. Every screw in the RAL Classic range available to order — so if your project calls for an obscure specification colour, we can match it. Powder coated in-house for a durable, consistent finish that holds its colour through installation and beyond.

Browse the full stocked colour range or contact us to request a bespoke RAL colour.