--- product_id: 415559735 title: "6.7mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade HSS-CO" brand: "linggan" price: "VT3158" currency: VUV in_stock: true reviews_count: 8 category: "Ling Gan" url: https://www.desertcart.vu/products/415559735-6-7mm-metric-m35-cobalt-steel-extremely-heat-resistant-twist store_origin: VU region: Vanuatu --- # Heat resistant up to Rockwell 65 5% Cobalt M35 steel alloy 6.7mm precision diameter 6.7mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade HSS-CO **Brand:** linggan **Price:** VT3158 **Availability:** ✅ In Stock ## Summary > 🔥 Drill Like a Pro, Last Like a Legend ⚙️ ## Quick Answers - **What is this?** 6.7mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade HSS-CO by linggan - **How much does it cost?** VT3158 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/415559735-6-7mm-metric-m35-cobalt-steel-extremely-heat-resistant-twist) ## Best For - linggan enthusiasts ## Why This Product - Trusted linggan brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unmatched Durability:** Up to 10x longer lifespan than standard HSS bits, engineered for relentless performance. - • **Precision Cutting Edge:** 135° point angle with titanium nitride coating ensures sharp, clean holes every time. - • **Effortless Chip Removal:** Dual-flute design reduces friction and heat, delivering faster, cooler drilling sessions. - • **Versatile Metal Mastery:** Cuts through tough stainless steel, cast iron, and softer metals with ease—your go-to for metalworking. - • **Universal Fit & Stability:** Straight shank fits standard drill chucks securely for accurate, chatter-free drilling. ## Overview This 6.7mm M35 cobalt steel drill bit features a hardened 5% cobalt alloy with titanium nitride coating, delivering exceptional heat resistance and durability. Designed with a 135° point angle and dual flutes for efficient chip clearance, it excels at drilling through hard metals like stainless steel and cast iron while fitting standard drill chucks for versatile use. ## Description 6.7mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade HSS-CO - desertcart.com Review: Excellent drill bits!! - These are amazing for their price range. I've extracted multiple steel bolts with them and they're very strong and sharp. Excellent bits. Review: Great bit. Worked for drilling and tapping. - Perfect size, for m10 tap size. These are nice and straight cut well in cast iron. ## Features - Cobalt Steel - Manufactured From M35 5% Cobalt Steel, With Molybdenum And Cobalt Added To Creates A Hardened Alloy, Measuring Rockwell Hardness Up To 65, For Much Faster Cutting And Extra Longer Life Span, With Up To 10 Times When Compared with an Average HSS Drill Bit. - HSS Titanium Coating - Classic HSS Construction With Titanium Coating For Capability And Durability. The Cutting Edge Is Hardened And Honed For Sharpness. - Flutes Form - 2 Flutes Form Helps Clear Chips And Debris Away From The Bit, Decreasing Friction And Heat For A Faster, Cooler Drilling Process, Chatter-Free Design With Staggered Cutting Teeth Ensure The Precise Countersinking And Hole Smooth Clean. - Straight Shank And 135° Point Angle - Straight Shank For Standard Drill Chucks And Collet Chuck To Hold Firmly, Assuring Accurate Centering; Helical Flute For Swarf To Easily Get Out; Ideal For General Purpose Drilling Applications. - For Metalworking - Particularly Successful In Cutting Through Hard Metals(Hardness Less Than Hrc38°) Such As Stainless Steel And Cast Iron, Although They Can Be Used For Softer Materials Like Copper And Aluminium, Too. Not For Hardened Steel And High Carbon Steel. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | LingGan | | Cutting Angle String | 135 Degrees | | Cutting Diameter | 6.7 Millimeters | | Finish Type | Titanium Nitride | | Material | Cobalt Steel | | Shank Type | Straight | ## Product Details - **Material:** Cobalt Steel - **Cutting Diameter:** 6.7 Millimeters - **Finish Type:** Titanium Nitride - **Shank Type:** Straight - **Cutting Angle String:** 135 Degrees ## Images ![6.7mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade HSS-CO - Image 1](https://m.media-amazon.com/images/I/511Il9mmnmL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent drill bits!! *by S***B on December 8, 2025* These are amazing for their price range. I've extracted multiple steel bolts with them and they're very strong and sharp. Excellent bits. ### ⭐⭐⭐⭐⭐ Great bit. Worked for drilling and tapping. *by R***P on October 10, 2025* Perfect size, for m10 tap size. These are nice and straight cut well in cast iron. ### ⭐⭐⭐⭐⭐ Great & hard-to-find tooling at a great price. *by M***M on December 11, 2025* Great & hard-to-find tooling at a great price. Secure check-out, well packaged and as described, with prompt shipping. Will use again. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/415559735-6-7mm-metric-m35-cobalt-steel-extremely-heat-resistant-twist](https://www.desertcart.vu/products/415559735-6-7mm-metric-m35-cobalt-steel-extremely-heat-resistant-twist) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-08*