Audited Supplier
whole set of SDA
Whole Set of Anchor System
Tunnel Boring Machine
ISO9001: 2000, BV Certificated
New
High Strength Alloy Steel
42/51//76/90/100/110/115/130/150/160/180/200
Left/Right
1,2,3,4,5,6,7,8,10,12m
TERNAL
Carton Box/Plywood Box
R25/R32/R38/R51/T30/T40/T53/T76/T103
Ningbo, China
Product Description
The high ISO 10208 Standard manufacturer of grouting drill bit rock bot holoow bar
grouting drill System Consists of:
Steel Hollow Bar
Steel Coupler
Steel Plate
Steel Nut
Sacrificical Drill Bit
Technical Data Sheet
| Drill Bit Selection | ||
| EX | Description | A machined or cast hardened cross dirll bit. |
| Suitable Conditions | A majority of applications for loose to medium dense ground conditions. | |
| EXX | Description | The tungsten carbide corss bit. |
| Suitable Conditions | Suitable for soft to medium fractured rock formations. | |
| ESF | Description | Cast and hardened hemispherical button drill bit. |
| Suitable Conditions | Suitable for silt, sand and gravel and soft rock formations. | |
| ESD | Description | Drop center hardened button bit. |
| Suitable Conditions | For increased drilling efficiency of silt, sand and gravel with small boulders or soft rock. | |
| ESSF | Description | Tungsten carbide hemispherical button drill bit. |
| Suitable Conditions | With flat drill face for a large range of fractured ground, broken and medium rock formations. | |
| EW | Description | Clay drill bit. |
| Suitable Conditions | Cohesive mixed soils without obstructions. | |
| EC | Description | Hardened tri-cresent/arching drill bit. |
| Suitable Conditions | Suitable for unconsolidated soil with small boulders. | |
| ECC | Description | Tungsten carbide tri-cresent/arching bit. |
| Suitable Conditions | For a range of soft to medium rock formations. | |
| EY | Description | Hardened tri-blade drill bit with a drop center buttons. |
| Suitable Conditions | Offers an increased cutting performance in fills and chalk. | |
| EYY | Description | TC drop centre bit with hardened tri-blade bit. |
| Suitable Conditions | Suitable for soft to medium cemented ground conditions including fills and chalk. | |
| Bit Type | Drill Bit Diameters | |||||||||
| R25 | R32 | R38 | R51 | T30 | T40 | T52 | T73 | T76 | T103 | |
| EX | φ42 φ51 | φ51 φ76 φ90 | φ76 φ90 φ100 | φ90 φ115 | φ42 φ46 φ51 φ76 | φ76 φ90 φ100 φ115 | φ115 | φ130 φ170 | φ130 φ170 | - |
| EXX | φ42 φ51 | φ51 φ76 φ90 | φ76 φ90 φ100 | φ90 φ100 φ115 φ130 φ150 | φ42 φ46 φ51 | φ76 φ90 φ100 φ115 φ130 φ150 | φ115 φ130 φ150 | φ130 φ150 φ200 | φ130 φ150 φ200 | φ175 |
| ESF | φ42 φ51 | φ51 φ76 | φ76 φ90 φ100 | φ90 φ110 | φ42 φ46 φ51 | φ76 φ90 φ100 φ115 φ130 | - | - | - | - |
| ESD | - | - | φ115 | φ115 | - | - | φ115 | φ130 | φ130 φ170 | - |
| ESSF | φ42 φ51 | φ51 φ76 φ90 | φ76 φ90 φ100 φ115 | φ90 φ100 φ115 φ130 φ150 | φ46 φ51 | φ70 φ76 φ90 φ100 φ115 φ130 | φ100 φ115 | φ110 φ130 | φ120 φ130 φ150 | φ175 |
| EW | - | φ76 φ90 | φ76 φ90 φ100 φ110 φ115 φ130 φ150 | φ130 φ150 φ175 | φ76 φ90 | φ90 φ130 φ150 | φ130 φ150 | φ130 φ150 | φ130 φ150 | φ220 φ280 |
| EC | - | φ51 φ76 | φ76 φ90 φ115 | φ115 | φ51 | φ90 φ115 | - | - | - | - |
| ECC | - | φ51 φ76 | φ76 φ90 φ110 φ115 | φ115 | φ51 | φ90 φ100 φ115 | - | - | - | - |
| EY | - | φ76 φ90 | φ76 φ90 φ130 | φ115 | - | - | - | - | - | - |
| EYY | - | φ76 φ90 | φ76 φ90 φ130 | φ115 | - | - | - | - | - | - |
