3.Premium carbon steel with heat treatment improves core strength for maximum durability and extended life.
4.Copper braze material gives high heat resistance for reduced tip loss.
5.R flute ensures fast, efficient removal of drilling dust and debris to increase speed and prevent clogging.
6.Round shank for using in corded and cordless rotary drills.
Email:info@lddrills.com
Head Office: RM 14B 14/F WAH HEN COMM CTR NO 383 HENNESSY RD WANCHAI HK
Factory Address:No.1, Jinggong Road, Changxing Industrial Park, Danyang City, Jiangsu Province, China 212310