Product Details

Size:
JS bits are available in all standard drilling sizes . Also, non-standard sized bits can be produced according to requirements from clients.
Crown Height:
JS offers crown impreg depths of 9mm, 12mm, 16mm and 25mm .The taller crown heights provide improved bit stability and reduced vibrations, enhancing bit life and performance.
Waterways:
Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems.

Threads:
standard threads as well as regional thread types required by clients are available.

Compatibility:
Our diamond bits and reaming shells are designed to be compatible with all standard core barrels from other suppliers.

Matrix: JS impregnated bits matrices can be selected according to the chart below

Series number	Rock
11	magnetit,metamorphschist,gneiss,granite,basalt,gabbro,rhyolite,diorite,conglomerate,taconite
10	magnetit,metamorphschist,gneiss,granite,basalt,gabbro,rhyolite,diorite,conglomerate,taconite
9/10	andesite,pegmatite,hematite,magnetit,metamorph schist,gneiss,granite,basalt,gabbro,rhyolite,diorite
9	andesite,pegmatite,hematite,magnetit,metamorph schist,gneiss,granite,basalt,gabbro,rhyolite,diorite
8	dolomite,marble,peridotite,andesite,pegmatite,hematite,magnetit,metamorph schist,gneiss,granite,basalt
7/8	dolomitic limestone,schist,serpentine,hard & mica schist,siliceous limestone,dolomite,marble,peridotite,andesite,pegmatite,hematite
7	dolomitic limestone,schist,serpentine,hard & mica schist,siliceous limestone,dolomite,marble,peridotite,andesite,pegmatite,hematite
6/7	med-hard limestone,hard limestone,hard shale,dolomitic limestone,schist,serpentine,hard & mica schist,siliceous limestone,dolomite,marble,peridotite
6	med-hard limestone,hard limestone,hard shale,dolomitic limestone,schist,serpentine,hard & mica schist,siliceous limestone,dolomite,marble,peridotite
5	claystone,sandy limestone,soft schist,med-hard sandstone,siltstone,alluvial deposits,calcitic limestone,med-hard limestone,hard limestone,hard shale,dolomitic limestone
4	claystone,sandy limestone,soft schist,med-hard sandstone,siltstone,alluvial deposits,calcitic limestone,med-hard limestone,hard limestone,hard shale,dolomitic limestone
3	soft shale,chalk,marly shale,med-hard limestone,salt,frozen soil&ice,soft sandstone,sandy shale,claystone,sandy limestone,soft schist,med-hard sandstone,siltstone,alluvial deposits,calcitic limestone
2	soft shale,chalk,marly shale,med-hard limestone,salt,frozen soil&ice,soft sandstone,sandy shale,claystone,sandy limestone,soft schist,med-hard sandstone,siltstone,alluvial deposits,calcitic limestone
1	sand,soft shale,chalk,marly shale,med-hard limestone,salt,frozen soil&ice,soft sandstone,sandy shale,claystone,sandy limestone,soft schist

Size Available as followings:
AQ, BQ, NQ, HQ, PQ/AQTK, BQTK, BQ3, NQ2, NQ3, NQTT, HQ3, HQTT, PQ3, PQTT T2 series: T2 46, T2 56, T2 66, T2 76, T2 86, T2 101 T6 series: T6 76, T6 86, T6 101, T6 116, T6 131
T series: T36, T46, T56, T66, T76, T86
Non-standard also can be made as your demand