--- product_id: 69980622 title: "Set of 4 Square Hole Bits, Hollow Steel Bendanes Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch)" brand: "qisf" price: "R1171" currency: ZAR in_stock: true category: "Qisf" url: https://www.desertcart.co.za/products/69980622-set-of-4-square-hole-bits-hollow-steel-bendanes-woodworking store_origin: ZA region: South Africa --- # 4 precise sizes (1/4" to 1/2") Optimized for clean square wood holes HRC48~50 high hardness steel Set of 4 Square Hole Bits, Hollow Steel Bendanes Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch) **Brand:** qisf **Price:** R1171 **Availability:** ✅ In Stock ## Summary > 🛠️ Drill Like a Pro, Finish Like a Boss! ## Quick Answers - **What is this?** Set of 4 Square Hole Bits, Hollow Steel Bendanes Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch) by qisf - **How much does it cost?** R1171 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/69980622-set-of-4-square-hole-bits-hollow-steel-bendanes-woodworking) ## 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 - • **Versatile Size Range:** Includes 4 essential sizes (1/4", 5/16", 3/8", 1/2") to tackle any woodworking project with ease. - • **Clean & Accurate Cuts:** Innovative design allows dust discharge through the tube, ensuring smooth, precise square holes without clogging. - • **Universal Compatibility:** Fits all standard mortisers and drill attachments, making it the go-to set for renovation and construction pros. - • **Effortless Woodworking Efficiency:** Designed to reduce labor intensity and speed up your workflow, saving time and cutting costs on every job. - • **Precision Engineered for Professionals:** High-speed steel with heat treatment ensures durability and sharpness for flawless square holes every time. ## Overview This set of 4 square hole drill bits, crafted from heat-treated high-speed steel (HRC48~50), offers professional-grade precision for woodworking. With sizes ranging from 1/4" to 1/2", these bits fit all standard mortisers and drill attachments, enabling fast, clean square holes while reducing labor and costs. Ideal for construction, renovation, and decoration projects, this set is a must-have for any serious woodworker. ## Description Features: 1. Professional wood drill bit, suitable for construction, installation, renovation, decoration, etc. 2. The workpiece forms a hole drilled by the rotating body, while the impact of the use of the percussion force is transmitted to the outside of the body, the material creates a round hole and a square head, in one go, and the dust can be discharged through the tube. 3. The dimension refers to the length of the drilled square hole. 4. The cylinder diameter of the clamping portion is 19 mm. 5. The center of the drill hole is over 210mm, for longer drill centers. Specifications: Sizes: 1/4" (6.35mm), 5/16" (7.94mm), 3/8" (9.5mm), 1/2" (12.7mm). Material: High Speed Steel DIY Supplies: Woodworking Use: Drilling/perforating wood. Package includes: 1 x 1/4" or 1/4" drill bit 1 x 5/16" or 7.95mm drill bit 1 x 3/8" or 9.5mm drill bit 1 x 1/2" or 1/2" drill bit Note: Please allow 1-3cm error due to manual measurement. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Thank you for your understanding. Sold by QISF (Quality Innovation Service First) ## Features - Professional design ideal for drilling square holes in wood with a mortiser. Fits all machines and drill attachments. Square hole drill bit is mainly used in wood field. - Material and size: made of high speed steel. Heat treatment, HRC48~50, high hardness, elongated center, high concentricity; 4 sizes 1/4" (6.35mm), 5/16" (7.94mm), 3/8" (9.5mm), 1/2" (12.7mm). - Why choose this item: Reduces the labor intensity of construction workers while accelerating work speed and reducing costs. Ideal for the building, renovation and decoration industries. - Box contents: 1 x 1/4 inch (6.35 mm), 1 x 5/16 inch (7.94 mm), 1 x 3/8 inch (9.5 mm), 1 x 1/2 inch (12.7 mm) - Note: The punching square must use drill, hammer or other tools. (None of these are included). ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07D73ZPY5 | | Best Sellers Rank | 73,743 in DIY & Tools ( See Top 100 in DIY & Tools ) 576 in Drill Bit Sets | | Brand | QISF | | Country Of Origin | China | | Customer Reviews | 4.1 4.1 out of 5 stars (662) | | Cutting Angle String | 6E+1 Degrees | | Cutting Diameter | 12.7 Millimetres | | Finish Types | High-speed Steel | | Manufacturer | QISF | | Manufacturer Part Number | NECALON | | Material | High Speed Steel (HSS) | | Minimum Bore Diameter | 6.35 Millimetres | | Number of Flutes | 2 | | Number of Packs | 4 | | Number of Pieces | 4 | | Point Style | Centre Point | | Set Name | QISF 4Pcs Woodworking Square Hole Drill Bit Set | | Shank Type | Square | | Surface Recommendation | Wood | | Tool Flute Type | Straight | | UPC | 712182899883 | ## Product Details - **Cutting angle string:** 6E+1 Degrees - **Cutting diameter:** 12.7 Millimetres - **Finish type:** High-speed Steel - **Material:** High Speed Steel (HSS) - **Shank type:** Square ## Images ![Set of 4 Square Hole Bits, Hollow Steel Bendanes Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch) - Image 1](https://m.media-amazon.com/images/I/61CB0L6Mp8L.jpg) ![Set of 4 Square Hole Bits, Hollow Steel Bendanes Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch) - Image 2](https://m.media-amazon.com/images/I/51RY-bjdEZL.jpg) ![Set of 4 Square Hole Bits, Hollow Steel Bendanes Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch) - Image 3](https://m.media-amazon.com/images/I/41fbv64H-yL.jpg) ![Set of 4 Square Hole Bits, Hollow Steel Bendanes Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch) - Image 4](https://m.media-amazon.com/images/I/41vBT7iAASL.jpg) ![Set of 4 Square Hole Bits, Hollow Steel Bendanes Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch) - Image 5](https://m.media-amazon.com/images/I/31jTFo-2epL.jpg) ## Frequently Bought Together - QISF 4Pcs Woodworking Square Hole Drill Bits,Mortise Chisel Hole Saw Drill Bit Set 1/4-1/2-5/16-3/8 inch - Folpus Square Hole Drill Bit Adapter Bench Drill to Square Tenon Machine Converter Holder Square Hole Drill Machine Chuck Bracket Eyelet Accessories --- ## 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.co.za/products/69980622-set-of-4-square-hole-bits-hollow-steel-bendanes-woodworking](https://www.desertcart.co.za/products/69980622-set-of-4-square-hole-bits-hollow-steel-bendanes-woodworking) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-10-03*