R25 Reaming Tools Pilot Ream Bit For Drifting And Tunneling Cut Holes Quarry Mining
Bit Diameter: 33mm-45mm
Length of drill rod: 250mm-4000mm
Button bit design: Flat face, drop centre, normal and retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and conical.
Applications: Drifting, tunneling, bench
We have different designs for various rock formations, and a longer service life to decrease use costs for users.
Dimensions D | Flushing hole(mm) | Buttons(mm) | Angle | Class | |||
mm | inch | Front No size | Gauge No size | Front No size | Guage No size | ||
33 | 1 5/16 | 1x5 | 1x5 | 2x7 | 5x7 | 30° | H |
35 | 1 3/8 | 1x5 | 1x5 | 2x7 | 5x8 | 30° | H |
38 | 1 1/2 | 1x5 | 2x5 | 2x7 | 5x9 | 30° | H |
41 | 1 5/8 | 1x5 | 2x5 | 2x8 | 5x9 | 30° | H |
43 | 1 11/16 | 1x5 | 2x5 | 2x8 | 5x10 | 30° | H |
45 | 1 3/4 | 1x5.5 | 2x5.5 | 2x9 | 5x11 | 30° | H |
33 | 1 5/16 | 2x4.5 | 2x4.5 | 2x7 | 6x7 | 30° | S |
41 | 1 5/8 | 2x5.5 | 2x5 | 2x8 | 6x9 | 30° | S |
38 | 1 1/2 | 2x5 | 2x5 | 2x8 | 6x8 | 30° | S |
43 | 1 11/16 | 3x5 | - | 3x8 | 6x9 | 30° | M |
45 | 1 3/4 | 3x5 | 1x5 | 3x8 | 6x10 | 30° | M |
Reaming tools | |||||||
Dimensions D | Flushing hole(mm) | Buttons(mm) | Angle | ||||
| mm | inch | Front No size | Gauge No size | Front No size | Guage No size | |
| 40 | 1 37/64 | 2x5 | 2x5.5 | 2x8 | 4x9 | 30° |
| 76 | 3 |
| - | - | 8x11 | 35° |
Button bit and Insert types
Spherical Button Characteristics
1. Universal button
2. Good wear resistance
3. Best suited for hard ground
4. 27000-48000PSI(180 to 320Mpa)
5. Suited for abrasive to very abrasive drilling conditions
Ballistic Button Characteristics
1. Fast Penetration
2. Best suited for soft rock
3. 10000-20000PSI(70 to 140Mpa)
4. Suited for non-abrasive drilling conditions
Packaging of Reaming Drill Bit
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling 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/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time
c. Free replacement will provide once the failure confirmed caused by our product quality
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations.