Hymnorq M4 x 0.7 Metric Combo Tap Drill Bit Black TiAIN Finish M35 Cobalt Ste...

Description

Hymnorq M4 x 0.7 Metric Combo Tap Drill Bit, Black TiAIN Finish M35 Cobalt Steel, Quick Change 1/4" Hex Shank and Self-centering 118° Split Point, for Aluminum Brass Iron and Stainless Steel
DRILL AND TAP 2 IN 1 - Drilling holes and taping threads in one bit and one operation to save time, money and effort
HSS-CO AND TIAIN FINISH - Made of M35 grade cobalt steel and coated with Titanium Aluminum Nitride(TiAIN), exceptionally oxidation resistant and hard, to easily penetrate hard metals.
SELF-CENTERING - Pilot X-shape self-centering split point provides excellent drilling accuracy and precision; High quality hex shank to ensure strong connection to drill chuck
BEST ACCURACY AND PERFORMANCE - Precision ground point, flutes, body, clearance, and drill diameters for the best accuracy and performance. Ideally suited for on-site tapping construction applications, maintenance and repair, assembly, manufacturing and production environments.
ONLY FOR THIN METAL - Don't use it to tap thick metal, otherwise it'll be easy to break. The maximum tapping depth of this product is 2mm by electric hand drill and 5mm by drill or threading machine.
Premium Material This combination drill and tap bit is made of M35 grade high speed steel (cobalt steel). TiAlN coating provides exceptional oxidation resistance and extreme hardness. That's why this coating works well in very demanding cutting tool applications, especially when tools are being pushed to the max. Drill Once and Get the Job Done This high-quality cobalt steel combo bit drills the hole and tap the threads in a single drill. The self-centering split point provides excellent drilling precision and accuracy. Tapping Material Type Mild steel, copper, brass, aluminum alloy, cast Iron, galvanized pipe, mold Steel, titanium alloy, stainless steel Max Tapping Thickness 5mm for tapping/threading machine and drill press; 2mm for electric hand drill Low RPM Required The suggested RPM is 700 for M4 bit. You can start from the lowest RPM and adjust it higher slowly. Once the bit can get into the workpiece, the adjustment should be stopped. Tapping/Threading Machine Recommended It’s highly recommended that the combination drill and tap bit is used on a tapping/threading machine or drill press. Avoid Shaking and Tilting If you apply an electric hand drilling machine to do the tapping job, please pay attention to your operating, because excessive shaking and tilting may affect the result and even break the bit. Use Cooling Liquid Keeping drills, taps and cutters cool and sharp. Cutting fluids or coolants will greatly increase the life of tap drill bits. Be Safe Always wear work gloves, safety goggles and protective clothing while doing any drilling job.
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100% customer satisfaction Money Back Guarantee, if the item received is either not as described or damaged in many ways. We will always guarantee a return with full responsibility.
Contact us and simply follow our instruction. We will provide you with complete return instruction to your eBay message. The location of the warehouse responsibility for the return will be determined by the fulfillment service department.Of course, there is no cost for you for return item back.
Once the item arrived at our warehouses and confirm from the tracking number that the item has been delivered.We will issue you the refund within 2 business day.
Again, If you want open eBay return case. If it possible , could you please help us write or select reason for return is "change my mind "or "order by mistake" or Doesn't fit or " Just didn't like it ".Do not worry, we do not charge anything. You still received the full refund also.
Please don't write or select another reason. It will be effect with our eBay performance. If you consider to help us, it would mean so much for me. Please consider as a support for build up our eBay a better community.