21PCS Cobalt Drills Bits Set with Plastic Box Video,Demo, How It Works & Features

2025-04-09 3390

Product Specifications

CJDH-2103
Customized
AISI, DIN
Jobber-length
Twist Drill Bit
High Speed Steel
Well Drilling, Metal Drilling, Masonry Drilling
Roll Forged / Full Ground / Milled
Round Shank
Single / Double
Full Groove Length Heat Treatment
JG or OEM
Plastic Box(Tube), Carton Box
40*25*18 cm
Jiangsu, China
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