Size & Range Capability
The diameter and length envelope, and where each product line sits inside it.
The overall envelope
Diameters from M0.8 to M42; lengths from 2mm to 3000mm. That is the outside of the range across the whole catalogue — no single line covers all of it.
Where each line sits
Self drilling and self tapping screws: M1.4–6.3 (0#–14#), 6mm–300mm, with the stainless self drilling line running M2.9–M6.3 from 13mm. Roofing screws as self tapping: 4#–14# (2.9mm–6.3mm), 4mm–500mm. Machine screws: M1.4–M6 (0#–14#), 6mm–300mm. High tensile bolts: M4–M30, 6mm–300mm. Stainless carriage bolts: M4–M24. Threaded rod: M6–M30, 50mm–3000mm, and M6–M20 in A2/A4.
Working outside the standard range
Anything beyond those figures is a special. Send the drawing and we will say plainly whether it can be made rather than quoting and finding out later.
The envelope
Other capabilities
See it applied
1000SST Tek Screws
1000SST self-drilling screws.
View specification
Stainless Steel Flat Head Tek Screws
Stainless steel flat head Phillips self-drilling screws, built as the corrosion answer for steel construction, shipbuilding and ocea
View specification
Thread Rod
Threaded rod in carbon steel and stainless A2 and A4, M6 to M30, in lengths from 50mm to 3000mm.
View specification
Machine Screws (BF-146)
Machine screws, M1.4–M6 (0#–14#), 6mm to 300mm long, in carbon steel or stainless A2, A4 and 410, to IFI, DIN, JIS, GB or drawing.
View specificationBring us the hard one
The enquiries worth sending are the ones where the catalogue does not obviously answer the question. Send the drawing, the sample or the failure you are trying to design out.