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34mm 7 buttons 7degree tapered button drill bit

34mm 7 buttons 7degree tapered button drill bit



4.8 ~ 5.5 / Get Latest Price



5000 Piece

one in PE bags, and 65pcs in a plastic box

5days when we have stock on your request size

50000 Piece per Week



Contact Now

Product Specification

taper connection:7degree,12degree : bit diamater:32mm34mm36mm38mm40mm shank hex:22mm 34mm : NO.of buttons:7buttons 8buttons material:35crmo : button type:yk20

Product Description

Packaging Detail:65pcs/box (wooden box, plastic box)
Delivery Detail:5-7 days
product details:

1.Product Name:
tungsten carbide drill bits
TypesTapered chisel drill bits, Tapered cross drill bits, Tapered drill bits
2.Application:Tapered drill bits are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
3.Feature:Tapered drill bits connect tapered drill steel of rock drill for drilling holes
4.Material:High quality carbide and high quality steel
5.MOQ:No requirement for testing and trial order
We can design and manufature according to your requirment of diameter, number air holes and carbide shape.

1.Dia.:30~42mm rock drill taper bits
2.Type:taper bits
3.Taper bits for rock drilling
4.OEM your brand

Rock Drill Tapered Button Bits is suitable for H22mm and H25mm taper rock drill rods use. It have three taper connection: 7°, 11°, 12°. It's widely used for hard rock(f=8~18) drilling use.

1) Tapered connection: 7,11,12 

2) Alloy steel:42CrMo

3) Suitable carbide tips:YK20

4) Cross bit diameter: 30-42mm

5)Technology:hot-pressing or welding


The information of the drill bit you may like to know before order:

1.Method of payment:T/T(Telegraphic Transfer)or Western Union or L/C at sight.
2.Handing time for an order:Based on order quantity,normally it takes 25 days for production.only 2 or 3 days if we have stock on your request size.
3.Shipping way:Sample order,we suggest courier express like DHL/UPS/TNT by air.Bulk order we suggest by sea or by air.
4.Quality control:We have our own experienced QC,there will be strict inspection and testing for every order before shipping out.

drill bit production process:

1.raw material-2.making bits body-3.making bit face-4.heat treatment-5package.

About us:


  1. our factory has been specialized in manufacturing drilling tools and spare since 2000.
  2. we have advanced technology and equipment.
  3. our technician has more that 10 years professtional working experience.
  4. rock drilling tools are exported throughout the word.main market:Norway.Turkey. Canada.Australia. Brazil.Iron. India.UAE
  5. We have professional technicians,advanced machine,responsible sales team



Contact Us

Contact Person : elma

Company:taizhou pulanka rock tool factory



elma < taizhou pulanka rock tool factory >
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