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Auto-feed hex screw driver bits H4 7 inch long H1/4x185x6.0x160xPH2
extra long hex driver bits H4,Use for auto-feed system screw driver machine, Made in TaiWan S2 alloy steel, durable and good toughness, very durable.
strong power magnetic, easily absorb screws.
laser marking on bits body.
With advanced equipment and qualified workers, ZHIDA is well-known as one of the professional China auto-feed hex screw driver bits h4 7 inch long manufacturers and suppliers. With a professional factory producing high precision and good wear resistance custom auto-feed hex screw driver bits h4 7 inch long, we warmly welcome you to wholesale products with us.