Evergreen Twist drill bit
High quality level drill bit.
Production technicals:
1.Roll Forged 2. Roll&Polished 3. Fully Ground
Surface finishing.:
1.Black finishing 2.Bright 3.Black&Bright 4.Tin Coated 5. Rainbow color 6.Zironium Coated 7.Amber. 8 Black&Gold
Material.:
-Roll Forged/Roll&Polished: HSS-M2/W9341/W4341/W4241
-Fully Ground.: HSS-M35/M2/W9341/W4341/W4241
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