Products

When fluid delivery is a key selection requirement, RONGKE Internal Coolant Quick Change Self Locking Drill supports selection around the combination of TDPA tip fit and internal coolant delivery. Contact us for purchase planning. Coolant is a family feature across the listed length options. Specify body reach and confirm transfer through the machine holder when requesting the assembly.

For the longest documented TD depth option, RONGKE Quick Change Self Locking Drill Bits 12D supports selection around entry guidance and chip travel over the 12D working depth. Contact us for bulk orders. The cited Ø20 mm group has 243.6 mm effective depth. Request a matched body and TDPA tip, with entry guidance, working-end alignment and coolant supply reviewed for the deep-hole setup.

When a job outgrows the shorter TD bodies, RONGKE Quick Change Self Locking Drill Bits 5D 8D supports selection around the difference in usable drilling depth between 5D and 8D. Contact us for factory pricing. At the cited Ø20 mm group, depth increases from 103 to 163 mm. Select the required reach and review entry alignment and coolant access before ordering.

For shorter holes and accessible tip replacement, RONGKE Quick Change Self Locking Drill Bits 1.5D 3D supports selection around front access for tip changes in a short-hole setup. Contact us for wholesale enquiries. Their matched TDPA tips are changed from the front with the specified wrench. Request the confirmed body dimensions and tip group so the selected reach suits the hole and replacement access.

RONGKE supplies the Internal Coolant Solid Carbide Three Flute Micro Drill for CNC drilling where external nozzles have limited access to the cutting zone. Available catalogue depth families are 3D, 5D and 8D, covering Ø5.0–12.0 mm. Contact the China factory with your coolant setup and hole drawing for a quotation.

Compare RONGKE 5D 8D Solid Carbide Three Flute Micro Drill Bits for holes beyond the reach of the short DS303C series. This China supplier offers DS305C and DS308C catalogue sizes from Ø5.0 to 12.0 mm. Send the hole drawing for model selection and wholesale pricing based on the required reach.