The Monark plant was established in 1958 and in 1971
the plant became part of the Boart Longyear Group.
In 2005 the factory was sold to Monark. Integral Drill Steel.

Integral Drill Steel are produced from 19mm (3/4”), 22mm (7/8”) or 25mm (1”) hexagon drill steel.

Our company produces all lengths from 200mm up to 11200mm, and diameters from 13-45mm.

Click here to find the most used lengths and diameters.

For questions regarding other lengths please contact us.

Tapered rods, Shank rods & Threaded Integral Drill Steel.
For years we have produced high quality HF-hardened rods.
Our product range reaches from 400-11200mm, and we produce all degrees.

Click here to find the most common lengths