DRILL D188 SM8R SET 8Pce Red Shk 12.5mm HSS BLU 14-25mm

Description:
Designed to increase the drilling capacity of drill chucks and for slow speed (350 RPM or less), large scale boring
Dimensions:
Diameter (mm): 14.0, 15.0, 16.0, 16.5, 18.0, 20.0, 22.0, 25.0
Pack Quantity: 8
Features:
Common Length 6" (152mm) overall length with a 3-3/8" (86mm) flute length
Reduced shanks suit 13mm drill chucks
118 degree standard point for general purpose applications
Made from M2 High Speed Steel (HSS) offering the best combination of strength, heat and wear resistance
Blue surface finish for ferrous applications
The steam oxide finish prevents chip build-up on the cutting edges and reduces cutting friction, especially in low carbon steels
Specifications:
Designation: N
Material: High Speed Steel
Finish: Blue
Maximum Cut Depth: 5XD
Shank Form: A
Helix Angle: R30
X: als
Point Tolerance: h8
Point Angle: 118 degreePoint Form: Form A
Cutting Edges: ul
Standard: Sutton
Applications:
Optimal for Steel - Non-alloy, cast & free cutting ( around 0.15 percent C)- 125 HB
Optimal for Steel - Non-alloy, cast and free cutting (around 0.45 percent C)- 190 HB
Optimal for Steel - Low alloy and cast < 5 percent of alloying elements- 180 HB
Optimal for Aluminum and Magnesium, wrought alloy - Non Heat Treatable – 60 HB
Optimal for Aluminum and Magnesium, wrought alloy - Heat Treatable – 100 HB