Home Products DTH Drill Bit

90mm Bit Rock Drilling Tools , Carbide Drill Bits 10-25 Bar Air Pressure

Customer Reviews
Hi larry, So far,we made the parts we needed with the DTH drill bits and it looks to work as expected. thank you again for fast service. Regards

—— Amjad

Dear Larry Good morning! I have a good news, i just to receive the products, the quality is the best,congratulations! Thank you very much for help me, i desire all good for you and your family,health,peace and much money in the pocket. Regards

—— Jose

Dear Mr.Jack Thank you, we have the drill bit in the company and are working well presented good working. Later another order of drill bits were in quotation and new product will be made. Best Regards

—— Michael

I'm Online Chat Now

90mm Bit Rock Drilling Tools , Carbide Drill Bits 10-25 Bar Air Pressure

90mm Bit Rock Drilling Tools , Carbide Drill Bits 10-25 Bar Air Pressure

Large Image :  90mm Bit Rock Drilling Tools , Carbide Drill Bits 10-25 Bar Air Pressure

Product Details:

Place of Origin: China
Brand Name: MSD
Certification: SGS
Model Number: 90-DHD3.5

Payment & Shipping Terms:

Minimum Order Quantity: 1 piece
Price: Negotiable
Packaging Details: wood package
Delivery Time: 10-25 days
Payment Terms: T/T west union L/C
Supply Ability: 5000 pieces per month pieces per month
Detailed Product Description
Place Of Origin: Hunan, China (Mainland) Hammer: DTH Hammer
Diameter: 90mm Face Shape: Flat, Convex, Concave
Shank: DHD 3.5 Air Pressure: 10-25 Bar
Material: Tungsten Carbide And Hard Alloy Steel

rock drill accessories Rock Drill Bits for hard rock low cost of 90mm bit



2.Source:It is a series of high air pressure bit developed and produced by the Swedish company Atlas.
3.Shank type :With a 3.5 inch top hammer,is 8 spline,The shank big length is 180mm,the total weight is 4.6kg.
4.The shape of the Carbide button shape gauge buttons and front buttons is domed/round button and parabolic-ballistic button respectively.The parabolic-ballistic button are usually used as gauge buttons and front buttons of DTH bits,suitable for medium abrasive and hard formations.The quantity is 6 and 4 respectively,and the button size is diameter 12mm and 11mm respectively.
5.Face type :Bit face designs is convex face,for high penetration rates in soft to medium-hard with low to medium air pressure,It is the most resistance to steel wash,and may reduce the load and wear on gauge buttons,but poor hole deviation control.There are 2 air holes.




4" Rock Drill Bits Drilling wells into deep and shallow wells. In places with sufficient water,


there are usually ten to thirty meters of water. This is a shallow well; in a place with insufficient water,

It is necessary to hit a hundred meters or a few hundred meters to break through the rock layer. This is a deep well. In general, Dth Hammer Bits water-rich places can be used by households with water of more than ten meters.


Feature Advantage:


  1. High air pressure, high fuel consumption and deep depth.
    1. It can be used for drilling holes with more complicated materials. It can choose higher cutting speed and can drill harder materials.
    2. Select high-performance alloy inserts for alloy drills to effectively reduce chipping and maintain good wear resistance.
    3. Multi-layer geometric cutting end edge to improve drainage performance and maintain low cutting resistance.
    4. In addition to the commonly used right angle handles, there are a variety of handle types, suitable for a variety of drilling rigs, drilling machines




HammerDiameterButtonButton Angel(°)Air holesWeight (KG)button shapeface shape
4 inch4 inchφ105 mm7×φ143×φ14+3×φ133827.6domedconvex face
4 inch4 inchφ110 mm7×φ143×φ14+3×φ133827.8domedconvex face
4 inch4.5 inchφ115 mm7×φ163×φ14+3×φ133828.2domedconvex face
4 inch4.7 inchφ120 mm8×φ144×φ14+3×φ143828.7domedconvex face
4 inch5 inchφ125 mm8×φ144×φ14+3×φ143828.9domedconvex face
4 inch5 inchφ130 mm8×φ144×φ14+3×φ143829.4domedflat face
5 inch5.5 inchφ138 mm7×φ187×φ1538215.6domedflat face
5 inch6 inchφ146 mm7×φ187×φ1538216.1domedflat face
5 inch6 inchφ152 mm8×φ168×φ1538217domedflat face
5 inch6.5 inchφ165 mm8×φ188×φ1638218domedflat face
5 inch7 inchφ178 mm8×φ1810×φ1638224domedflat face
5 inch7 inchφ185 mm8×φ1810×φ1638226domedflat face
5 inch8 inchφ203 mm8×φ186×φ16+4×φ1838331domedflat face
6inch6 inchφ152 mm8×φ184×φ16+4×φ1438223domedflat face
6inch6.5 inchφ165 mm8×φ188×φ1638224domedflat face
6inch7 inchφ171 mm8×φ186×φ16+4×φ1838327domedflat face
6inch7 inchφ178 mm8×φ1810×φ1638226domedflat face
6inch7 inchφ185 mm8×φ184×φ1638226.8domedflat face
6inch7.5 inchφ194 mm10×φ1813×φ1838327.5domedflat face
6inch8 inchφ203 mm10×φ188×φ18+6×φ1638331domedflat face
6inch8.5 inch216 mm10×φ188×φ16+6×φ1638247domedflat face
6inch9 inch235 mm12×φ1830×φ1638254domedflat face
6inch10 inch254 mm12×φ1812×φ18+8×φ1638265domedflat face
8 inch8 inch203 mm10×φ188×φ16+6×φ1638247domedflat face
8 inch8.5 inch216 mm10×φ188×φ18+6×φ1638253domedflat face


Product photos :


Contact Details
HAO Carbide Co., Ltd

Contact Person: Marketing Manager

Send your inquiry directly to us

Contact Now