Chicago-Latrobe 68824 120-DH 3/8

Chicago-Latrobe -

Taper Length Drill- Series: 120DH- 3/8 in Drill - Fraction- 0.375 in Drill - Decimal Inch- 6-3/4 in Overall Length- 3-7/16 in Cutting Depth- 2 Flutes- Parabolic/Spiral Flute- 3-7/16 in Flute Length- 3/8 in Shank- Tanged Shank- 135 deg Point- K-Notch Split Point- Right Hand Cutting Direction- HSS Cutting Edge- HSS- Bright- Applicable Materials: 低碳钢, 非有色金属 和 软合金钢 Characteristics and Features * Parabolic flute configuration with proprietary Convoflute flute design offers wider flute space, dispersing chips away from the cutting edges more rapidly and increasing coolant flow* Engineered for deep hole drilling up to 8XD to 12XD, depending on drill diameter* 135 deg K-notch split point is self-centering and uses reduced thrust for easier penetration* Bright finish provides good chip ejection* -0.001 in drill diameter tolerance* +/-0.125 in overall length tolerance* +/-0.125 in flute length tolerance* +/-5 deg point angle tolerance