As a classic primary crusher with stable performances, Jaw Crusher is widely used to crush metallic and non-metallic ores as well as building aggregates or to make artificial sand.
Input Size: 0-1020mm
Granite, marble, basalt, limestone, quartz, pebble, copper ore, iron ore
Jaw crusher is widely used in various materials processing of mining &construction industries, such as it is suit for crushing granite, marble, basalt, limestone, quartz, cobble, iron ore, copper ore, and some other mineral &rocks.
1. Simple structure, easy maintenance;
2. Stable performance, high capacity;
3. Even final particles and high crushing ratio;
4. Adopt advanced manufacturing technique and high-end materials;
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difference in using 135 degree and 118 degree drill point
Jul 27, 2011· of the hole. The "chisel point drill" needs a center or spotting pre-drill to direct its location. On drill point geometry then, a conical point precision ground on the drills axis allows the drill to machine a hole on size and with a good finish. If the drill point is running concentric with the spindle the hole will be created on location under the spindle axis.get price
Robust Roller-Cone Drill Bits Durable & reliable product for those hard to drill applications. Drillpoint News. Drillpoint Celebrates Another Record Run in Eagleford! DrillPoint Resources breaks another record in South Texas!! South Texas Record Run!! News Indexget price
DRILL POINT GEOMETRY, an article by JOSEPH MAZOFF
As the drill rotates, the back angle of the secondary lips cuts metal with a slicing action which further reduces lip corner breakdown and less drag, heat, drill torque, and less binding as the drill exits from the hole. This point is ideal for core holes and tubular material, producing burr free holes.get price
Drill-Point Screws McMaster-Carr
Drilling Screws for Joining Fabric to Metal. These screws have a free- rotating, permanently attached washer that remains stationary while tightening to prevent bunching while .get price