BeHappy Drill Bit Set 29 Pcs 1 16 inch-1 2 inch Titanium Twist Drill Bit Set Drill Bits for Metal and Wood High Speed Steel Drill Bit Set for Wood Plastic Aluminum Alloy Drilling

HSS DRILL BIT SET: 29pcs Drill Bit Set? 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2" 29 PCS HSS drills bit set is 118° split point with straight shank prevents walking and makes drilling precise and faster,sandwich wrap, reusable, easy to carry Twist drill bit set uses fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance PRODUCT FEATURE: High Quality HSS Material 118 Degree Angle Point Titanium Twist APPLICATION: Made of high quality HSS, drill bits can be used for wood, aluminum and carbon steel metals (that is, materials whose hardness does not exceed 30 degrees) PRECAUTIONS: Make sure to put on masks and gloves before drilling. Keep cool or discontinuous use. Keep the drill bits vertical to the object when drilling. Be sure to make both bit and work piece stable. Tilted bit is prone to break. Please contact us at the first time if you have any question about our product , we are happy to help you.?