Evolution 5.5 x 55mm Hex Marine Grade SuperTEK Screws BMTSHW5.5-55-7 – TEK7 4.0mm -18.0mm Heavy Steel A4 BiMetal
£1.11 - £1.24
Excluding VAT (If price is per 100, you can still order any quantity)
SKU: BMTSHW5.5-55-7
Designed For – Fastening applications to super-heavy gauge cold-formed steel, hot-rolled steel, and extruded aluminium substrates.
Head Style – 5/16” hexagonal male socket.
Thread Form – 24 TPI (w/ V-fluting).
Drill Point – SuperTEK® 7 (Min.
4.
0mm – Max.
18.
0mm).
Material Grade – AISI C1022 (hardened) carbon steel self-piercing tip brazed to AISI316 / EN 1.
4401 / A4-50 stainless steel body and head.
Additional Coating – 5µm electro deposited zinc (w/ blue dichromate passivation).
Drill Speed – 1500-2500 RPM.

Available
Designed For – Fastening applications to super-heavy gauge cold-formed steel, hot-rolled steel, and extruded aluminium substrates.
Head Style – 5/16” hexagonal male socket.
Thread Form – 24 TPI (w/ V-fluting).
Drill Point – SuperTEK® 7 (Min.
4.
0mm – Max.
18.
0mm).
Material Grade – AISI C1022 (hardened) carbon steel self-piercing tip brazed to AISI316 / EN 1.
4401 / A4-50 stainless steel body and head.
Additional Coating – 5µm electro deposited zinc (w/ blue dichromate passivation).
Drill Speed – 1500-2500 RPM.

