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Mining

Mining - Blast Hole

Subs and Adapters

Subs

Pin x Box

DPI manufactures a large range of Blasthole Subs including Top Subs, Bit Subs, Cross Over Subs. All our Subs utilize either 4140 Heat-treated Q&T or 4145 Q&T Heat-treated, both Premium Alloy Steels. We precision-machine, utilizing our expert machinists and the latest CNC Lathes and Mills.

Our Bit subs can be Tungsten Carbide Hard Banded to customer specifications. Each Sub undergoes close quality control to insure it is a perfect fit. DPI is customer-oriented and can provide you short lead times for multi - sub orders.

Subs

Box x Box

Subs

Pin x Box w/ Flats