5/32 In. X 12 In. Cobalt Aircraft Extension Drill Bits, Plastic And Wood VALYRIANTOOL Cobalt Drill Bit Aircraft Extension Long Deep Hole drilling for 6 Inch or 12 Inch Overall Length: Product Features 5PCS 5/32" Cobalt Drill Bits: 5PCS - 5/32"(Drilling Diameter) x2"(Flute Length)x12"(Overall Length) Metal Drill Bits. This drill bit fits the majority of power drill currently on the market M35 Cobalt High Speed Steel: Industry grade M35 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability Fully Ground Process and 135 degree Split Point: Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135 degree split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed Multiple Application: Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. Pay attention to speed, pressure and heat control during drilling 90 Days Warranty: If you are not fully satisfied for any reason, please contact us for 100% refund or replacement Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!