High-Speed Steel Twist Drill

These high-speed steel drills are precision ground from solid stock, and tempered to a hardness of HRC 62–64 for precise results and lasting performance. The drill size is the same as the shank size, with diameter tolerances of +0/-0.015mm. Use these drills with adjustable chuck handpieces or in a drill press. To further prolong tool life and for even smoother cutting, we recommend using these drills with BurLife®.

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Material: High-speed steel
Head size: 1.61mm, 1.18mm, 0.99mm, 0.89mm, 0.74mm, 0.64mm, 0.51mm, 0.37mm, 1.09mm, 0.94mm, 0.34mm, 1.51mm, 1.07mm, 0.97mm, 0.79mm, 0.66mm, 0.53mm, 1.4mm, 0.46mm, 1.02mm, 1.04mm, 0.91mm, 1.7mm, 1.32mm, 0.61mm, 0.41mm, 0.84mm, 0.81mm, 0.71mm, 0.57mm
Shank size: .0635" (1.61mm), .0465" (1.18mm), .0390" (0.99mm), .0350" (0.89mm), .0292" (0.74mm), .0250" (0.64mm), .0200" (0.51mm), .0145" (0.37mm), .0430" (1.09mm), .0370" (0.94mm), .0135" (0.34mm), .0595" (1.51mm), .0420" (1.07mm), .0380" (0.97mm), .0310" (0.79mm), .0260" (0.66mm), .0210" (0.53mm), .0550" (1.4mm), .0180" (0.46mm), .0400" (1.02mm), .0410" (1.04mm), .0360" (0.91mm), .0670" (1.7mm), .0520" (1.32mm), .0240" (0.61mm), .0160" (0.41mm), .0330" (0.84mm), .0320" (0.81mm), .0280" (0.71mm), .0225" (0.57mm)
Articleno: 52, 56, 61, 65, 69, 72, 76, 79, 57, 63, 80, 53, 58, 62, 68, 71, 75, 54, 77, 60, 59, 64, 51, 55, 73, 78, 66, 67, 70, 74
Brand: Rio Grande
Shipping weight: 0.48 ounces (13.61g), 0.115 ounces (3.26g), 0.077 ounces (2.17g), 0.288 ounces (8.16g), 0.246 ounces (6.96g), 0.238 ounces (6.74g), 0.038 ounces (1.09g), 0.207 ounces (5.88g), 0.269 ounces (7.62g), 0.326 ounces (9.25g), 0.019 ounces (0.54g), 0.23 ounces (6.53g), 0.154 ounces (4.36g), 0.345 ounces (9.79g), 0.403 ounces (11.42g), 0.254 ounces (7.19g), 0.096 ounces (2.72g)
Country of origin: China