--- product_id: 532606697 title: "(20PCS) 3/16\" Cobalt Drill Bit, HSS M35 Metal Drill Bits for Steel, Stainless Steel, Cast Iron, Hard Plastic and Wood" brand: "rcindus" price: "S$42" currency: SGD in_stock: true reviews_count: 13 url: https://www.desertcart.sg/products/532606697-20pcs-3-16-cobalt-drill-bit-hss-m35-metal-drill store_origin: SG region: Singapore --- # 135° split-point for perfect self-centering 5% cobalt for extreme hardness & heat resistance 20 precision bits for nonstop drilling (20PCS) 3/16" Cobalt Drill Bit, HSS M35 Metal Drill Bits for Steel, Stainless Steel, Cast Iron, Hard Plastic and Wood **Brand:** rcindus **Price:** S$42 **Availability:** ✅ In Stock ## Summary > 🔩 Drill like a pro, finish like a boss. ## Quick Answers - **What is this?** (20PCS) 3/16" Cobalt Drill Bit, HSS M35 Metal Drill Bits for Steel, Stainless Steel, Cast Iron, Hard Plastic and Wood by rcindus - **How much does it cost?** S$42 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/532606697-20pcs-3-16-cobalt-drill-bit-hss-m35-metal-drill) ## Best For - rcindus enthusiasts ## Why This Product - Trusted rcindus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Organized & Ready:** Comes in a sleek plastic case for easy storage and quick access—stay efficient and professional on the job. - • **Effortless Centering:** 135° split-point design prevents walking, giving you flawless starts on tough surfaces. - • **Unmatched Durability:** M35 cobalt steel ensures your bits stay sharper, longer—tackle hardened metals without a hitch. - • **Versatile Power Pack:** 20-piece set covers steel, stainless, cast iron, plastic, and wood—your all-in-one drilling arsenal. - • **Precision Engineering:** Diameter accuracy within -0.03mm means every hole is exact, every time—no guesswork, just results. ## Overview This 20-piece set of 3/16" M35 cobalt drill bits combines industrial-grade 5% cobalt high-speed steel with a 135° split-point design for superior hardness, heat resistance, and self-centering precision. Engineered for accuracy within -0.03mm, these bits excel on steel, stainless steel, cast iron, plastic, and wood. Packaged in a durable plastic case, they deliver professional-grade performance and organization for demanding metalworking and multipurpose drilling tasks. ## Features - [3/16 Inch 20PCS] A pack containing 20 pieces 3/16"(Dia 4.763mm) cobalt metal drill bits comes in plastic storage case for easy storage. - [Cobalt 5% HSSCO] Industry grade M35 High Speed Steel, containing 5% cobalt. The drill bits are harder than HSS and can drill hard metal - [135 Degree Self Centering] 135 Degree Split-point provides better automatic centering and prevents walking on the hard surface you are working on. - [Wide Application] Ideal for Hardened Metal, Stainless Steel, Cast Iron, Plastic, PVC Board and Wood, etc. - [High Quality] Directly operated by the factory. Real M35 material goes through more than a dozen processes, Including full grinding and hardening. Diameter accuracy is controlled within -0.03mm. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0BPC6WQLC | | Best Sellers Rank | #913 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #1 in Metalworking & Multipurpose Drill Sets | | Brand Name | RCINDUS | | Customer Reviews | 4.6 4.6 out of 5 stars (835) 4.6 out of 5 stars | | Cutting Angle String | 135 degrees | | Cutting Diameter | 4.76 millimeters | | Finish Types | Uncoated | | Manufacturer | RCINDUS | | Material Type | Cobalt | | Minimum Bore Diameter | 0.38 inches | | Number Of Flutes | 2 | | Number Of Pieces | 20 | | Part Number | M3504763 | | Point Style | Split Point | | Set Name | 3/16" Cobalt 20-Piece Set | | Shank Type | Straight | | Surface Recommendation | Cast Iron,Metal,Plastic,Stainless,Stainless Steel,Steel,Wood | | Tool Flute Type | Spiral | | Unit Count | 20 Count | ## Product Details - **Cutting Angle String:** 135 Degrees - **Cutting Diameter:** 4.76 Millimeters - **Finish Type:** Uncoated - **Material:** Cobalt - **Shank Type:** Straight ## Images ![(20PCS) 3/16" Cobalt Drill Bit, HSS M35 Metal Drill Bits for Steel, Stainless Steel, Cast Iron, Hard Plastic and Wood - Image 1](https://m.media-amazon.com/images/I/91tSZkePqjL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Precision and Durability Combined: RCINDUS 3/16" Cobalt Drill Bit Set *by on Reviewed in the United States July 7, 2024* For those seeking precision and durability in their drilling tasks, the RCINDUS 3/16" Cobalt Drill Bit set offers a reliable solution with its high-speed steel (HSS) M35 construction. Designed to tackle tough materials with ease, these drill bits are ideal for both professional and DIY projects where accuracy and longevity are paramount.Design and Material:Constructed from HSS M35 cobalt steel, these drill bits are engineered to withstand high temperatures and maintain their hardness under heavy use. The 135-degree split point tip enhances drilling accuracy and prevents walking, ensuring clean and precise holes in various metals including stainless steel, aluminum, and tough alloys.Performance and Versatility:The RCINDUS drill bits excel in versatility, making them suitable for a wide range of applications. Whether you're working on automotive repairs, metal fabrication, or home improvement projects, these bits deliver consistent performance. They drill smoothly through hardened metals without overheating, thanks to their superior heat resistance and cutting efficiency.Ease of Use:Featuring a round shank design, these drill bits are compatible with most standard drill chucks, ensuring easy installation and secure gripping during operation. The sharp and durable cutting edges reduce the effort required for drilling, providing a smooth drilling experience even through challenging materials. This user-friendly design enhances productivity and precision on the job.Durability and Longevity:Built for durability, the RCINDUS drill bits are crafted to withstand frequent use and tough materials. The cobalt steel composition enhances their resistance to wear and extends their lifespan compared to conventional HSS drill bits. This durability makes them a cost-effective choice for professionals and hobbyists looking for reliable performance over time.Conclusion:In summary, the RCINDUS (20PCS) 3/16" Cobalt Drill Bit set stands out as a robust and efficient choice for drilling through various metals. With their HSS M35 cobalt steel construction, precision engineering, and reliable performance, these drill bits offer excellent value for both professional tradespeople and DIY enthusiasts. Whether you're tackling everyday tasks or demanding projects, these bits deliver the durability and accuracy needed to achieve excellent results.For those seeking dependable drill bits that combine durability, versatility, and precision, the RCINDUS 3/16" Cobalt Drill Bit set is a worthwhile investment in your toolkit. ### ⭐⭐⭐⭐⭐ Pleased with product. *by on Reviewed in the United States June 24, 2026* Great drill bits for the money. ### ⭐⭐⭐⭐⭐ Sharp bit!! *by on Reviewed in the United States July 26, 2026* These drill bit are very sharp and work very well but will break easily with any side load. Good thing there are many in the pack! 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