Evolution A4HH6.3-45-GP 45mm A4 Stainless Steel Gash Point Concrete Screw (Box of 100) by Evolution Fasteners

This Evolution A4HH6.3-45-GP Concrete Screw is a 45mm A4 (316) stainless steel fixing designed for concrete, masonry, and timber. With excellent corrosion resistance, it performs in outdoor, coastal, and marine environments and is supplied in boxes of 100.

The gash point tip enables fast, accurate driving with strong pull-out resistance in C35 concrete, aerated blocks, and engineering bricks. A 5/16" (8mm) hex flange head provides secure torque transfer with standard driver bits, while the A4 stainless steel build ensures long-term durability in demanding conditions.

Key facts:

• A4 (316) stainless steel for corrosion resistance
• 6.3mm x 45mm screw with gash point tip
• 5/16" (8mm) hex flange head
• Supplied in boxes of 100

As part of the Evolution Fasteners range, it suits timber-to-concrete, timber-to-masonry, and direct timber fixings. With dependable holding power and straightforward installation, it supports consistent results across construction projects.

Installation info:

Drive into the substrate with an 8mm hex driver. For best results in concrete or masonry, embed to a depth of 35mm.