Drill bit for water well drilling rigs. Drag bit 

Great work

I'm drilling a well with a manual auger, very though work. I've made a drilling head "copying" your design with blades made out of an old file, I oil quenched the whole head after welding, with a yellow straw tempering, it's very effective and wear resistant! But obviously your product is for professional use and is probably better designed 😜

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sir ye kaha mile gi sivil

how much for 4.5" diameter with 40mm diameter for pipe?

Привет как гатова бурит ручной ручной закалка можна какой метала можна пожалуйста скажи мне

My work is borewell but Small stone problem in -300 fits how to choice perfect drilling bit?

are these Tungsten ?

How much that blade for drilling

how much for each blade?

with 4 blade sir

How can I order a bit

How much the 3wings 135mm blade.

How much is drill bit 4"D and swivel?

Is it fit with rocks

A plasma cutter, and welder is all you need to make these if you got a little time

can I order a drill from you?

كم اسعر لوسمحة

I need it how much it will gona cost me Shippment (India)

How much this drill bit

1:34 Rock and Clay must not be River Dance fans.

How much

где русскоязычный вариант?

вроде Станислав а продает иностранцам где русский че про вертлюг на русском непонятно

ФУ