--- product_id: 125534947 title: "QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic" brand: "qisf" price: "€ 31.24" currency: EUR in_stock: true url: https://www.desertcart.pt/products/125534947-qisf-7pcs-300mm-extra-long-twist-drill-bits-set-4 store_origin: PT region: Portugal --- # Precision depth control 300mm extra-long reach High-carbon steel durability QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic **Brand:** qisf **Price:** € 31.24 **Availability:** ✅ In Stock ## Summary > 🔧 Drill deeper, drill smarter—own the precision edge! ## Quick Answers - **What is this?** QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic by qisf - **How much does it cost?** € 31.24 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/125534947-qisf-7pcs-300mm-extra-long-twist-drill-bits-set-4) ## Best For - qisf enthusiasts ## Why This Product - Trusted qisf brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Hardened high-carbon steel resists wear and breakage under pressure. - • **Secure & Stable:** Collars grip the bit diameter firmly without damaging the shaft for consistent performance. - • **Extended Reach Mastery:** Extra-long 300mm drill bits for those hard-to-reach projects. - • **Precision Depth Control:** Stop collars ensure exact hole depth every time—no guesswork. - • **Versatile DIY Essential:** Perfect for wood, plastic, aluminum—your all-in-one drilling solution. ## Overview The QISF 7Pcs 300mm Extra Long Twist Drill Bits Set includes 7 high-carbon steel drill bits (4-12mm) and 9 adjustable depth stop collars (3-16mm) designed for precise, controlled drilling in wood, plastic, and soft metals. Engineered for durability and accuracy, this set empowers professionals and DIYers to achieve flawless hole depths with extended reach and secure bit stability. ## Description QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic ## Features - 【Perfect Tools Set】--- Extra Long Twist Drill + Stop Collar，accurately control the depth of a hole you are drilling.Great for drilling depth when a precise measurement is needed for hole depth; Designed to hold your drill bit securely in place and grip the entire diameter of your drill bit without the screw ever touching the shaft. - 【Wide Applocation】--- Great for most drilling jobs and soft materials such as aluminum, wood, plastics et. - 【Easy to Use】--- Simply choose the appropriate size drill bit and stop collar, slide the collar on the bit and set the required depth with a ruler or depth gauge (not included), then tighten the collar screw to the drill bit. - 【High-Carbon Steel】--- Both made of High-carbon steel,hardened by quenching heat, high hardness and durability. - 【Package】--- 7 Pcs 300mm Extra Long Twist Drill Bits(4-12mm) + 8 x Drill Bit Depth Stop Collar(3-16mm) + 1 x Hex Wrench ; *** Because the drill bit is too long (Easy to break or deform), please pay attention to the speed and safety when using *** ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | QISF | | Part Number | NECALON | | Package Dimensions | 33 x 20 x 2 cm; 590 g | | Item model number | NECALON | | Finish | Steel | | Material | High Carbon Steel | | Number of Pieces | 16 | | Batteries included? | No | | Batteries Required? | No | | Item Weight | 590 g | ## Product Details - **Material:** High Carbon Steel - **Cutting diameter:** 12 Millimetres - **Finish type:** Steel - **Shank type:** Hex - **Brand:** QISF ## Images ![QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic - Image 1](https://m.media-amazon.com/images/I/61vXHEDGKIL.jpg) ![QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic - Image 2](https://m.media-amazon.com/images/I/612YiEleq1L.jpg) ![QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic - Image 3](https://m.media-amazon.com/images/I/61fLpdZi+xL.jpg) ![QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic - Image 4](https://m.media-amazon.com/images/I/51JipNJSB6L.jpg) ![QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic - Image 5](https://m.media-amazon.com/images/I/51fTAV3HOyL.jpg) ## Frequently Bought Together - QISF 7Pcs 300mm Extra Long Twist Drill Bits Set (4-12mm）+ 9Pcs Woodworking Drill Bit Depth Stop Collars Ring Locator (3-16mm)，for Wood Hole Cutter Drilling DIY Plastic - Bosch 2607017034 Professional 7-Piece Robust Line Brad Point Drill Bit Set (for Wood, Accessories for Drill Drivers) , Black/Silver , 14.1 x 8.3 x 2 cm --- ## 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.pt/products/125534947-qisf-7pcs-300mm-extra-long-twist-drill-bits-set-4](https://www.desertcart.pt/products/125534947-qisf-7pcs-300mm-extra-long-twist-drill-bits-set-4) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-24*