• Metric / Inch

Product		Size	Hardness	Standard
Hexagon Wrench Metric (long & short arm)		0.71mm to 32mm	As per standard specification	ISO 2936
Hexagon Wrench - Inch (long, 6" & short arm)		1/16 to 1	As per standard specification	BS 2470, ASME B18.3
Hex Driver - Metric		1.5mm to 5.0mm	HRC 40 - 43	As per standard specification

Pratham Fasteners is a trusted Unbrako Dealer and Unbrako Distributor supplying quality Wrenches for industrial, engineering, maintenance, automotive, fabrication, and workshop applications. Our range of Unbrako Wrenches is suitable for professional fastening and assembly work where reliable tool performance, proper grip, and accurate fitment are essential. As an authorized Caparo Dealer and Caparo Distributor, we also provide dependable branded industrial solutions for various fastening requirements.

Pratham Fasteners is also an authorized Caparo Dealer and Caparo Distributor, making us a reliable source for branded fastening tools and industrial products in India. Whether you require Wrenches, Unbrako Wrenches, or other fastening-related products, we support OEMs, maintenance teams, manufacturers, contractors, workshops, and engineering companies with genuine products, consistent quality, and dependable supply.