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Twist drill bit Irwin 10502567 — diameter 1.2 cm, 1 pc
Twist drill bit Irwin 10502567 — diameter 1.2 cm, 1 pc
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Twist drill bit Irwin 10502567 — diameter 1.2 cm, 1 pc
Leave your address - as soon as the price of the product goes down, you'll know about it right away
Twist drill bit Irwin 10502567 — diameter 1.2 cm, 1 pc
Twist drill bit Irwin 10502567 — diameter 1.2 cm, 1 pc
Irwin twist drill bit model 10502567 is a single-piece HSS cobalt drill designed for demanding metalworking tasks. With a 1.2 cm diameter and a length of 151 mm, this twist-type cutting tool is intended to produce clean round holes in alloyed steel, stainless steel and other metal substrates. The bit features a cylindrical shank for secure clamping in standard drill chucks and a 135° split point geometry to start cutting immediately and reduce bit walking during positioning.
The 5% cobalt composition increases heat and abrasion resistance compared with standard high-speed steel, extending tool life when drilling harder or heat-treated metals. Heavy-duty web construction provides additional strength and durability under higher feed and torque conditions. Manufactured to DIN 338 standards, the bit delivers consistent geometry and performance for workshop and field use. Supplied as a single piece, it is convenient for targeted repair jobs and toolkits.
Secure the cylindrical shank in a compatible drill chuck and ensure the workpiece is clamped or supported to prevent movement. Use appropriate cutting fluid when drilling stainless or alloyed steels to reduce heat buildup and prolong bit life. Start at low speed to engage the split point cleanly, then increase speed and feed rate according to the material and drill press or hand drill capability. Clear chips regularly to avoid clogging and overheating.
For best results when drilling hardened or abrasive alloys, use a drill press where possible, apply steady feed pressure, and employ cutting fluid. Match drill speed and feed to the material hardness: lower speeds for stainless and heat-treated steels, higher speeds for softer metals. Replace the bit when wear or chipping degrades hole quality.
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