M12 Set Screws Fully Threaded Bolts

M12 set screws, also known as M12 full-threaded bolts, have a thread diameter of 12mm and feature a hex head. They are commonly used in a wide range of applications and are known for their durability and strength. The DIN 933 standard for these stainless steel M12 fully threaded bolts is widely recognised and used in many industrial and commercial applications.

Stainless Steel M12 Set Screws DIN 933

Stainless steel M12 set screws can be used in both wood and metal, and are available in a variety of lengths to suit your specific needs. Whether you need them for a home improvement project or an industrial application, M12 set screws are an excellent choice.

12mm Full Thread Bolt Dimensions

The head diameter of M12 screws (M12 fully threaded bolts) is 19mm and the thread pitch is 1.75mm.

You can find our full range of stainless steel fully threaded bolts here.

Looking for part threaded DIN 931 hex bolts? Find M12 hex bolts in stainless steel here. 

22 products


M12 Set Screws – Stainless Steel (DIN 933 Full Thread) | Fixabolt®

Full-threaded power. Built to hold under pressure.

Fixabolt® M12 set screws are fully threaded bolts made from corrosion-resistant stainless steel, designed for structural and mechanical applications where strength and thread engagement are critical. Manufactured to DIN 933 specifications, these 12mm bolts feature a hex head and a consistent thread from end to end, ideal for use with nuts or directly into threaded holes.

Whether you're assembling structural steel, fixing machinery, or working with heavy timber, these bolts offer the durability and performance you need on-site or in the workshop.

Product Specifications:

  • Size: M12 (12mm diameter)
  • DIN 933 – fully threaded
  • Hex head – install with standard sockets or spanners
  • Length: From 20mm to 200mm

Each bolt is precision-made with rolled threads for strength and a clean fit.

Common Applications for M12 Set Screws

These M12 stainless steel bolts are widely used because of their full thread allowing maximum engagement, ideal for situations where a nut is required or adjustable clamping pressure is needed.

Why Fixabolt®?

✔ Trusted A2 and A4 stainless steel grades

✔ DIN 933 standard for accuracy and strength

✔ Bulk discounts available for trades

✔ Fast UK-wide tracked delivery

✔ Matching M12 nuts, washers, and accessories in stock

Get your fixings delivered fast and done right with Fixabolt®—no fluff, just the right bolts at the right price.

Fixings that work as hard as you do. That’s Fixabolt®.