Self Tapping

JC Grand produces many custom hardened wood and timber screws (falling under the general term "chipboard") and drywall screws for fixing gypsum to timber and metal…

JC Grand manufactures and distributes a wide range of high quality self-tapping screw designs in various materials, including carbon steels, alloy steels, stainless…

JC Grand manufactures a wide range of self-drilling screw designs for indoor and outdoor construction applications and structural fixing.

Drill their…