Reliable Deep Hole Drilling Tools Manufacturer for Precision Engineering

Need a shorter drill for shallow-hole machining? RONGKE HSS Stub Length Twist Drill Bits follow the DIN 1897 stub-length format, using an HSS body, 118° point and cylindrical shank. The compact dimensions help reduce unnecessary tool overhang where a longer jobber drill is not required, making these Twist Drill Bits suitable for general engineering parts, jigs, fixtures and workshop drilling.

For buyers sourcing HSS Co5 Cobalt Twist Drill Bits for stainless steel and other applications involving elevated cutting heat, RONGKE provides cobalt-alloyed HSS twist drills with a nominal 5% cobalt content and a 135° split point. The drills are designed for general drilling of stainless steel, suitable alloy steels and engineering components, with standard sizes available and non-standard tooling requirements open for technical evaluation and quotation.

For buyers looking for a fully ground HSS drill for general metal drilling, RONGKE offers HSS G Ground Twist Drill Bits with a ground flute, 118° split point and cylindrical shank. The drills are suited to steel, aluminium and general engineering parts, with DIN 338 jobber-length configurations and common sizes available for routine workshop and machining requirements. Standard supply and non-standard tooling requirements can both be discussed with RONGKE according to the application.

RONGKE HSS R Rolled Twist Drill Bits are general-purpose HSS drill bits for routine drilling in steel, aluminium and common workshop components. With a rolled flute, 118° point and cylindrical shank, they provide a conventional configuration for maintenance, fabrication and general metalworking. RONGKE supplies standard sizes and can also discuss non-standard requirements based on the workpiece, hole dimensions and machining conditions.