Zhenjiang Scharp Machinery Tools Co., Ltd.  

Product Name: Nc Spotting HSS Twist Drill Bits Model NO.: standard Usage: metal Drilling Material: High Speed Steel Type: Twist Drill Bit Length: Jobber-length Standard: BIN, JIS, AISI Size: 3mm to 20mm Trademark: stc Transport Package: on request Specification: 3-30MM Origin: Jiangsu HS Code: 82075090 Product Description SPOTTING AND CENTERING:Nc spotting dril bits are designed for centering operations. Nc spotting dril bits feature short overall and flute lengths, this provides increased rigidity, which reduces run out. Available in both Left and Right hand.High speed steel NC Spotting and center DrillTWO RH SPIRAL FLUTES - 120° DRILL POINT(Also available with 90° Drill point)Centering and chamfering can be accomplished in a single operation left hand on requestNominal diameterDh8inchFlute LengthL2inchOverall lengthL1inch1/8"5/8"2-1/2"3/16"3/4"2-1/2"1/4"1"2-1/2"3/8"1-1/4"3"1/2"1-1/4"3"5/8"1-1/8"3"3/4"1-1/8"3"1"1-1/8"3"Nominal diameterDh8mmFlute LengthL2mmOverall lengthL1mm3846495551062615668177910208912251021635115204013125501513050160