|規格||Overall Length L (mm)：80 Handle Diameter (Φmm)：d：3 Blade Diameter D (Φmm)：3.1|
Solid type Deep hole drilling is possible with a neck diameter smaller than the blade diameter. Excellent stability for drilling holes with notches (key grooves, etc.) due to the left twist shape. Twist angle Indicates the twist angle of the blade. L = Left twist 30 degrees
Number of Tips: 4
Blade Shape: Helical blade
Shank: Straight shank
This product is manufactured in Japanese standards.
Some products may not meet the standards of your item.
Please check the specification carefully before you order.