IRWIN 10502520 drill bit Twist drill bit 10 pc(s)

<b>HSS Cobalt Drill Bits</b><br>- 5% Cobalt for higher heat and abrasion resistance<br>- Heavy-duty web construction for strength and durability<br>- 135° split point begins drilling immediatlely, minimizing bit "walk"<br>- Manufactured to DIN 338 Standards<br>- Application: tough metal drilling, including heavy-duty abrasive alloy metal drilling on hardened steel (heat-treated)IRWIN 10502520. Proper use: Drill, Drill bit type: Twist drill bit, Drill bit diameter: 4 mm. Number of drill bits: 10 pc(s)