News
-
DIN 333 Type A vs. Type B Center Drills: How to Choose the Right One
When engineers and buyers specify a DIN 333 center drill, one of the most common questions we receive is: "What's the difference between Type A and Type B — and which one do I actually need?" It's a fair question. Both types share the same 60° chamfer angle, follow the s...Read more -
What Are M42, M35, and M2 HSS Drill Bits? A Practical Guide to Choosing the Right Grade
When buyers ask us about HSS drill bits, one of the most common questions is: "What's the difference between M42, M35, M2 — and what about 4341?" It's a fair question. All of them are high-speed steel (HSS) materials, and on the surface, they look nearly identical. But t...Read more -
What Are Double-Ended Drill Bits?
Introduction In metal fabrication and industrial drilling, tool life and procurement cost are two of the most critical factors for buyers. Double-ended drill bits — also known as reversible drill bits or twin-point drill bits — offer...Read more -
Why Stable Supply Matters More Than Low Price in 2026: A Guide for Industrial Tool Buyers
When sourcing industrial tools — especially HSS drill bits and cutting tools — most buyers start with the same question: "Who has the lowest price?" It's a reasonable instinct. But in 2026, it may be the wrong question. The Market Has Changed ...Read more -
How to Prevent Drill Bit Wandering: A Complete Guide for Precision Metal Drilling
When drilling into metal, one of the most frustrating problems is encountering a drill bit that slips or "walks" across the surface at the start. In the industry, this issue is known as drill bit wandering (or walking). Wandering prevents the creation of a perfectly conc...Read more -
Why Cobalt Drills Are Irreplaceable in High-Heat Stainless Steel Machining
In the world of industrial metalworking, stainless steel is known for its extreme "toughness." Whether you are working with 304, 316, or specialized 400-series alloys, these materials create a major challenge for standard cutting tools: intense, localized heat. At Jiache...Read more -
How to Determine the Optimal Drilling Speed (RPM) for HSS Drill Bits: A Professional Guide
In the world of metalworking, precision is everything. One of the most common questions from distributors and end-users is: "What is the correct RPM for my drill bit?" Setting the right speed is the difference between a clean hole and a ruined tool. If the speed is too h...Read more -
Pring 2026 Update: Full Resumption of Factory Operations, Ensuring Global Order Lead Times
After the 2026 Chinese New Year holiday, Jiacheng Tools, a leading manufacturer of HSS twist drill bits, has officially resumed full operations. Our factory in Danyang is now running at a steady pace, and we are ready to support our global partners for the busy spring se...Read more -
Top 5 Advantages of Partnering with a China Top Metal Cobalt Drill Bit Exporter for Stainless Steel Projects
The global metalworking industry faces persistent challenges when machining high-strength alloys and stainless steel. These materials possess a unique combination of corrosion resistance and mechanical toughness, but they also exhibit a high tendency toward work hardenin...Read more