# Square-Hole Drill Jig

Full listing title: Square-Hole Attachment Easy to Use Carpentry Square-Hole Drill Jig Precision Mortising Jig with Adjustable Clamp for Furniture Builders

- SKU: DCD-10001568868
- Price: 25.44 USD (excludes sales tax; tax calculated at checkout). Price valid until 2026-10-30.
- Availability: In stock (20 available; up to 10 per order)
- Shipping: free standard shipping, United States only; delivered in 11-21 days from order (leaves the warehouse within 4 business days)
- Returns: 30 days from delivery for unused items
- Category: Workshop & Tools (Arts & Entertainment > Hobbies & Creative Arts > Arts & Crafts)
- Condition: new; brand: SuntekStore
- California Prop 65: WARNING: This product can expose you to chemicals including formaldehyde, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
- Package size: 23 x 16 x 8 cm (9.1 x 6.3 x 3.1 in)
- Weight: 0.28 kg (0.62 lb)
- Material: Aluminum Alloy

## Description

Product Identity: This square-hole attachment is a dedicated carpentry tool built to expand the capabilities of your existing workshop equipment for joinery tasks.
Core Function: As a drill attachment, it works with compatible drill and square-hole bit trim and tidy, defined square mortises in wood pieces of varying thickness.
Construction: This mortising attachment features a rigid aluminum-alloy rectangular frame with a hollow body, cylindrical upper socket, and lower circular opening for stable bit guidance.
Adjustable Design: This carpentry square-hole drill jig includes split lower clamp with an adjustment screw, letting you secure the tool firmly to workpieces for consistent results.
Intended Use: Designed for furniture builders and DIY carpentry enthusiasts, this precision jig supports stable, controlled mortising for joinery, cabinetry, and custom furniture projects.

If you work with wood regularly, you know how valuable a clean, accurate square mortise can be for strong joinery. This square-hole attachment is a dedicated carpentry tool that brings mortising capability to your existing drill setup, so you do not need to purchase a separate dedicated machine. As a versatile drill attachment, it pairs with compatible drill and a square-hole bit cut square mortises in solid wood, plywood, and other wood-based materials. Whether you are working on small craft projects or larger builds, it helps you produce consistent, clean-sided holes that fit tenonsBuilt as a mortising attachment, it features a rigid aluminum-alloy rectangular frame with a hollow internal body. The cylindrical upper socket directs your boring tool smoothly, while the lower circular opening aligns the cut with your workpiece, reducing wobble and improving cut accuracy throughout the process. This carpentry square-hole drill jig also comes with split lower clamp equipped with an adjustment screw. This lets you fasten the jig securely to of different sizes, so you can work with confidence understanding the guide will not move mid-cut, even under sustained pressure. Ideal for furniture builders, cabinet makers, and serious home mechanics, the attachment supports stable, controlled mortising for a wide range of joinery applications. From table legs and chair rails to frame joinery and custom casework, it helps you achieve clean, more repeatable results with less setup time, making it a practical addition to any carpentry workspace.

Option: Square Hole

## How to buy

Open https://suntekstore.com/buy/DCD-10001568868?qty=1 (change qty to 1-10). It redirects to Stripe Checkout; the shopper enters a US shipping address and pays there. No account or cart needed.

## Links

- Product page: https://suntekstore.com/p/DCD-10001568868/
- JSON: https://suntekstore.com/products/DCD-10001568868.json
- Image: https://suntekstore-img.sfo3.digitaloceanspaces.com/p/ba/ba3fc257bf3dd79eb6061d08784e19874c8fda87.jpg
- Store policies: https://suntekstore.com/llms.txt