--- product_id: 119974070 title: "7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes" brand: "jooyle" price: "74 zł" currency: PLN in_stock: true category: "Diy" url: https://www.desertcart.pl/products/119974070-7pcs-countersink-drill-bit-3-10mm-high-speed-steel-drill store_origin: PL region: Poland --- # 7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes **Brand:** jooyle **Price:** 74 zł **Availability:** ✅ In Stock ## Quick Answers - **What is this?** 7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes by jooyle - **How much does it cost?** 74 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/119974070-7pcs-countersink-drill-bit-3-10mm-high-speed-steel-drill) ## Best For - jooyle enthusiasts ## Why This Product - Trusted jooyle brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Colour Name:7 Pcs Product Specification 7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes     Material: high speed steel Handle: Round Handle Use:Wood Drilling Application:use on Polyurethane(pu), Rubber, Plastic and Acrylic, perfect for HARDWOOD or SOFTWOOD， large chip flute and five-edge chamfering machine, the operation of faster discharge of sawdust, you will get a nice smooth surface on any type of hard, soft wood or aluminum. Dimension: Drill Diameter x Overall Length 3mm(1/8") x 60mm(2.36") 4mm (5/32'')x 75mm(2.95") 5mm(3/16") x 85mm(3.34") 6mm (1/4")x 93mm(3.66") 7mm(9/32") x 100mm(4.05") 8mm (5/16")x 110mm(4.33") 10mm(25/64") x 120mm(4.72") Packing Includes: 7x Countersink Drill Bit 1 x L-wrench Warm tips : ①The best use of this product is to use a bench drill, because the hand electric drill is not fixed in the operation process, the drill bit (especially the 3mm and 4mm) is prone to bend and break!!! ②Try to keep the drill vertical while drilling, so as not to be uneven  is prone to bend and break ## Features - High carbon steel material, quenching, high hardness, and good abrasion resistance, durable. - 7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes - It's convenient to use the combination of Hex Key to adjust or disassemble the countersink drill bit and the five-flutes chamfering. Can discharge the sawdust more quickly during use, with a smooth, flat counterbore drilled in one pass, perfectly fitting the screw cap into the workpiece surface. - Woodworking chamfer tool tricuspid nibs manufactured using silent, compared to ordinary twist drill, the center of sharp edge positioning precision drilling high efficiency. - The cutting flutes of the countersink drill bit is made of CNC gear grinding, the three-pointed bit is better in CENTERING and NO SKID .Handle is smooth without friction with the machine, and it's suitable for Power Bench or Hand drill driver in the most common size. - ›See more product details ## Images ![7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes - Image 1](https://images-na.ssl-images-amazon.com/images/I/51GA1w4bC8L.jpg) ![7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes - Image 2](https://images-na.ssl-images-amazon.com/images/I/41otVXa4dXL.jpg) ![7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes - Image 3](https://images-na.ssl-images-amazon.com/images/I/51ajyLU%2B%2BaL.jpg) ![7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes - Image 4](https://images-na.ssl-images-amazon.com/images/I/512k0LFUxtL.jpg) ![7Pcs Countersink Drill Bit(3-10mm),High-Speed Steel Drill Adjustable Carpentry Reamer Drill Bit Set with One Hex Key Suitable for Wood DIY Drilling Holes - Image 5](https://images-na.ssl-images-amazon.com/images/I/41J9Ks5PI9L.jpg) --- ## 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.pl/products/119974070-7pcs-countersink-drill-bit-3-10mm-high-speed-steel-drill](https://www.desertcart.pl/products/119974070-7pcs-countersink-drill-bit-3-10mm-high-speed-steel-drill) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-14*