10Pcs/Set HSS Combination Center Drill Bit Set 60 Degree Angle Combined Countersinks Tool Set 5 Sizes (Each Size 2 Pieces) 2018 Latest Descriptions: These focus purposes drill bit set are made of high-speed steel, high hardness and durable to use. The center, the drill bit has a double end and with a standard milling angle of 60°. Used for parts that need to be machined between production centers or working parts of a farm center Features: These focus purposes the drill bit set are made of high-speed steel, high hardness and durable to use Center, the drill bit has a double end and with a standard milling angle of 60°. The center is not used to make tapered holes for the center lathe to hold the standard twist drill in place, so as to prevent the bolt from slipping or deviating. Used for parts that need to be machined between production centers or working parts of a farm center. Prefabricated construction and finished structures precise positioning of the hole processing, drill guide to process the hole, so reduce the error, hole processing center at the end of the shaft surface and other parts. Specifications: HSS Material: As the picture shows Angle: Standard 60 degrees Size (Guests also have 2 or other brand products available):0.1x0.3cm, 0.15x0.4cm, 0.25x0.6mm, 0.3x0.8mm, 0.5x1.2cm Weight: 121g Package Included: 10 x Hss Center Drill 1) We accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't bring back immediately after the auction ends, please wait for a few minutes and try again, the payment must be completed within 3 days. About Shipping 1.