M8 x 55mm T40 Torx Button Screws (ISO 7380) - Silver Plating Stainless Steel (A2) Description
The M8 x 55mm T40 Torx Button Screws (ISO 7380) - Silver Plating Stainless Steel (A2) has the following features:
M8 (8mm) Thread Size (T)
ISO 7380 Manufacturing Standard
55mm Length (L)
T40 Torx Size
4.4mm Head Length [max] (H)
Stainless Steel (A2) Material
Stainless Steel (A2) Material Specification
1.25mm Screw Thread Pitch
Silver Plating Finish
Metric Metric or Imperial?
14mm Head Diameter [max] (D)
2.8mm Drive Depth (P)
Discover more about the Torx Button Screws range
Torx Button Head Screws are ideal for application where minimal head protrusion is required. The increased surface area between driver and recess of the hexalobular / torx screw avoids cam-out. These fasteners are designed to be installed using Torx Drive Bits.
Torx Button Screw Kits
Accu's Torx Button Screws can now be purchased as a pre-packed Stainless Steel fastener kit. Our Torx Button Screw Kits feature 720 fasteners, comprising screws, nuts and washers and are available in either A2 Stainless Steel or Marine Stainless Steel.
Torx Button Captive Screws
Our Torx Button Screws are also available in our standard Captive Screw range. They are designed for installations which need to comply with EU Safety Regulations and work by in conjunction with a Retaining Washer, which locks onto the unthreaded portion of the Torx Button Head Captive Screw to ensure it is unable to be fully removed from the assembly, following their installation.
Security Torx Button Head Screw Variant
Torx Button Head Screws are also available with a tamper-proof security pin drive, and can be found within our Security Torx Button Screws section.
Torx Button Screw Materials
Accu's range of Button Torx Screws are manufactured in A2 Stainless Steel and A4 Marine Grade Stainless Steel, with Aluminium, Brass, PEEK and Phosphor Bronze materials also available.
Metric Torx Button Head Screws
Torx Button Head Screws are manufactured according to ISO 7380, and are available in thread sizes M3 to M12 with screw lengths from 3mm to 120mm. For the Torx Size needed to drive the screw, please check the product technical specification.
Imperial Torx Button Head Screws
Accu's range of Torx Button Screws are only available in metric sizes as standard. Please contact our team for Imperial Torx Screw availability.