1.Welded core drill bits
2.Used for many kinds of material
3.High efficiency
4.Long lasting
5.Wood or carton packing
Port: XiaMen
Minimum Order Quantity: 1 Set/Sets
Supply Ability: 5000 Set/Sets per Month
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: Wooden box or Paper box
Delivery Detail: 2-7 days
Welded diamond core drill bits
We produce sintered and welding diamond core drill bits, used for drilling marble, granite, artifical stone, ceramic, bricks etc.
Specs : diameter from 4mm to 250mm, shank length from 40mm to 250mm.
Advantage: Drilling stably, fast speed, not breaking the border, not falling off the segments and long life.
| Diameter (mm) | Segment Size (mm) | Shank length (mm) |
| 4 | 4*11 | 40~150 |
| 6 | 6*11 | 40~150 |
| 7 | 7*11 | 40~150 |
| 8 | 8*11 | 40~150 |
| 10 | 10*11 | 40~150 |
| 12 | 12*11 | 40~150 |
| 15 | 15*11 | 40~150 |
| 20 | 20*11 /20*7*2.5 | 40~150 |
| 25 | 25*7*2.5 | 40~150 |
| 30 | 30*7*2.5 | 40~150 |
| 35 | 35*7*3.0 | 40~150 |
| 40 | 40*7*3.0 | 40~150 |
| 45 | 45*7*3.0 | 40~150 |
| 50 | 50*7*3.0 | 40~150 |
| 55 | 55*7*3.0 | 40~150 |
| 60 | 60*7*3.0 | 40~150 |
Model No.: GA214
Features: types of bearing:joumal beanngs
types of sealing:rubber rings
item:steel tooth bit for medium hard with hard stringers
Model No.: SKH116
Features: 1.specification:8 1/2'' 215.9mm
2.IADC:116
3.WOB:0.35-0.90KN/mm
4.Rotary speed:150-70 rpm
5.certification: API
Model No.: GJT435G
Features: 1.certification:API
2.drilling hours:70 hours
3. High quality, low price
4. good after-sales service
Model No.: GJT415G
Features: 1.certification:API
2.drilling hours:70 hours
3. High quality, low price
4. good after-sales service
Model No.: GJ135
Features: 1.certification:API
2.drilling hours:70 hours
3. High quality, low price
4. good after-sales service
Model No.: GJ115
Features: 1.certification:API
2.drilling hours:70 hours
3. High quality, low price
4. good after-sales service
Model No.: SSI, SSII
Features: Advantages of supreme PDC:
1.extremely high abrasion resistance
2. extremely strong impact resistance ability.
Model No.: SSI, SSII
Features: Advantages of supreme PDC:
1.extremely high abrasion resistance
2. extremely strong impact resistance ability.
Model No.: SSI, SSII
Features: Advantages of supreme PDC:
1.extremely high abrasion resistance
2. extremely strong impact resistance ability.
Model No.:
Features: diamond drill bit,is uesd for:well drilling oil well drilling water well drilling;MOQ:1PC;packing: iron sheet case
Model No.:
Features: TCI:1)the size from 8 1/2-12 1/4 inch,2)send cargo within 7days3)MOQ:1PC; 4)pack,iron case 5)durable for bit 6)Attentive service
Model No.:
Features: diamond drill bit,is uesd for:well drilling oil well drilling water well drilling;MOQ:1PC;packing: iron sheet case