News
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How Incorrect RPM Causes Drill Bit Failure
Series: Why Drill Bits Fail | Article 16 Keywords: incorrect drill RPM, drill bit speed, HSS drill bit RPM, drilling cutting speed, drill speed and feed, drill bit diameter and RPM, stainless steel drilling speed, feed per revolution, drill bit wear, drill bit breakage, ...Read more -
Titanium Coated Hex Shank Drill Bits: What the Shank, the Steel and the Coating Each Decide
Most buyers read a hex shank drill bit as one product feature. In practice it is three separate decisions: how the bit is held, which material the drill bit is made from, and what surface treatment sits on top. Each one solves a different problem, and mixing them up is h...Read more -
Why Stainless Steel Destroys Drill Bits
Series: Why Drill Bits Fail | Article 15 Keywords: drilling stainless steel, why stainless steel is hard to drill, stainless steel work hardening, drill bit for stainless steel 304 316, M35 cobalt HSS drill bit, stainless steel chip breaking, low thermal conductivity sta...Read more -
What Drill Bit Runout Actually Does to a Hole
Series: Why Drill Bits Fail | Article 14 Keywords: drill bit runout, TIR, hole roundness, oversized hole, drill straightness, radial runout, long drill bit deflection, HSS drill bit inspection, chuck runout vs. grinding runout, hole accuracy The last article in this seri...Read more -
Why Precision Grinding Matters
Series: Why Drill Bits Fail | Article 13 Keywords: precision grinding drill bit, full ground drill bit tolerance, h8 drill bit tolerance, drill bit back taper, web taper, drill bit margin grinding, drill bit surface finish, drill bit batch consistency, interference fit d...Read more -
Full Ground vs. Roll Forged: Two Different Ways to Make a Flute
Series: Why Drill Bits Fail | Article 12 Keywords: roll forged drill bit, full ground drill bit, drill bit manufacturing process, hot rolled drill bit forming, drill bit precision comparison, HSS drill bit material grade, M35 drill bit, 4241 drill bit steel, drill bit fo...Read more -
Parabolic Flute vs. TiN Coating: Two Separate Decisions (And When You Need Both)
The assumption buyers make A gold-colored drill bit gets read as “the upgraded one.” That's not an unreasonable guess — gold-finish TiN coating does show up more often on higher-spec lines. But color only tells you one thing: whether...Read more -
Why Flute Design Affects Chip Evacuation
Series: Why Drill Bits Fail | Article 11 Keywords: drill bit flute design, chip evacuation, drill bit helix angle, parabolic flute drill bit, web thickness, chip packing, deep hole drilling HSS, standard flute vs parabolic flute The last article in this series ...Read more -
Chip Breaker, M35 Cobalt, and a Tri-Flat Shank: What Three Design Choices Actually Solve When Drilling Stainless Steel
Stainless steel drilling problems usually show up as three separate complaints: chips wrapping around the flute and jamming the hole, the shank spinning inside the chuck under load, and the edge going dull faster than expected. Most buyers treat these as three unrelated ...Read more