3MM METRIC CAPSCREW COUNTERBORE3MM METRIC CAPSCREW COUNTERBORE 5-614-003, 3.40MM PILOT, 6MM CUTTING DIAMETER, 3-FLUTE, STRAIGHT SHANK 3MM Capscrew Counterbore, 3.4MM Pilot Diameter, 6MM Cutter Diameter, 5.555MM Straight Shank Diameter, 76MM Overall Length, 3-Fluted solid piloted. This is a HSS Capscrew Counterbore for creating a recessed hole for standard metric socket head capscrews. By using this counterbore, it allows the cap screw to sit flush with, or below, the level of a workpiece's surface. We stock all the fractional sizes from #4 to 1" in both import & USA brands. Metric sizes from 3mm to 20mm, interchangeable piloted type, indexable & fillister head type also stocked. Ask your salesperson for details today!
100% Satisfaction Guarantee: At Mansion Tools, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Tools in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.