.jpg)
1、REAMING BUTTON BIT (QK)
Features: applicable for opencast mining with small-sized rock drills.
DIA Part No.
2-1/2 QK64-646
3 QK76-646
3-1/2 QK89-646
3 QK76-1251
3-1/2 QK89-1251
4 QK102-1251
2、PILOT ADAPTOR (QD)
Features: applicable for medium hard and hard formation with layer drilling.
DIA Part No.
1-27/36 QD36-625R
1-37/64 QD40-632R
1-37/64 QD40-1232R
1-47/64 QD44-1232R
3、COUPLING SLEEVE (H)
Features: applicable for hydraulic rock drills connected.
（D×L）Connecting Thread Part No.
(1-3/8)×(5-29/32)R25(1) LR25×150(Ⅰ)
(1-3/4)×(6-19/64)R32(1-1/4) LR32×160(Ⅰ)
(2-5/32)×(6-11/16)R38(1-1/2) LR38×170(Ⅰ,Ⅱ)
(2-5/32)×(6-11/16)T38(1-1/2) LT38×170(Ⅱ)
(2-5/32)×(7-15/32)R38(1-1/2) LR38×190(Ⅰ,Ⅱ)
(2-5/32)×(7-15/32)T38(1-1/2) LT38×190(Ⅱ)
(2-9/16)×(8-17/64)T45(1-3/4) LT45×210(Ⅱ)
(2-27/32)×(9-1/4) T51(2) LT51×235(Ⅱ)
.jpg)
