Because of our comparative advantage of prominent cost-effective and consistent high quality standards, Jinquan brand's R32 drifting & tunnelling top hammer rock drilling tools have been widely accepted and recognized in quarrying, mining, road building, railways, highways, water well, hydroelectric power and other basic energy & civil construction projects.
The products ranges are as follows:
Threaded button bit R32 thread, diameter: 41mm, 43mm, 45mm, 48mm, 51mm, 57mm, 64mm, 76mm.
Thread cross-type drill bits R32 thread, diameter: 41mm, 43mm, 45mm, 48mm, 51mm, 57mm, 64mm.
Drifter rod R32-Hex. 32-R28 10 feet.
Drifter rod R38-Hex. 32-R32 12 14 16 feet.
Drifter rod T38-Hex. 32-R32 12 14 feet.
Drifter rod R38-Hex. 35-R32 10 12 14 16 18 feet.
Drifter rod T38-Hex. 35-R32 12 14 16 18 20 feet.
Many various types coupling with thread R32.
Dome reaming tools:
Pilot adaptor diameter 40mm x 12 taper R28 ( R32) thread.
Reaming bits 76 89 102mm x R32 thread.
Suitable R32 shank adaptors for various type drifter rods.