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Hollow Chisel Mortise Drill Tool

$12.89 USD $25.00 USD Save 48%
0.236" Drill Bit
0.251" Drill Bit
0.314" Drill Bit
0.374" Drill Bit
0.393" Drill Bit
0.433" Drill Bit
0.472" Drill Bit
0.492" Drill Bit
0.5" Drill Bit
0.551" Drill Bit
0.629" Drill Bit
0.748" Drill Bit
🔥4 Pcs(0.251"& 0.314"& 0.374"& 0.5")
🔥6 Pcs(0.251"& 0.314"& 0.374"& 0.5"& 0.551"& 0.629" )
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Quickest, easiest way to get the most precise square hole on your wood. Save time & energy! Makes consistently clean cuts with exceptional efficiency. 


👷‍♂ Precise: Sharp edges and points make consistently clean cuts with exceptional efficiency. Prevent frustration and save your time as you complete your tasks. 

👷‍♂ Quick and Easy: Use this tool set on compatible drills and get the perfect result within minutes.

👷‍♂ Top Quality: Made from high speed steel, after professional heat treatment, HRC48~50, ensuring its high hardness and high concentricity

👷‍♂ Universal Usage: Compatible with almost every standard square hole drill drilling (mortise and tenon machine) to use. 

👷‍♂ Widely Application: Great for drilling square holes in wood with a mortising machine or a mortising attachment. Fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects.


👷‍♂ Size: Packaged with 4 different sizes for your choose, 1/4"(6.4mm), 5/16"(8mm), 3/8"(9.5mm), 1/2"(12.7mm). These long square drill bits set can meet most of your needs, and each drills packed in a single plastic case, easy to maintain.



  • Name: Hollow Chisel Mortise Drill Tool
  • Material: High Speed Steel
  • Product size: 1/4 in (6.4 mm), 5/16 in (8 mm), 3/8 in (9.5 mm), 1/2 in (12.7 mm)


  • 1/4 inch (6.4mm) - 120 grams
  • 5/16 inch (8 mm) - 140 grams
  • 3/8 inch (9.5 mm) - 160 grams
  • 1/2 inch (12.7 mm) - 200 grams


  • 1 x Square hole drill
  • Or 4 x Square hole drills


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Please note that our store provides free UPS shipping insurance for all orders. If the product is lost or damaged, UPS insurance company will compensate 300% of the purchase price. Please rest assured to shop! 🎁🎁7-15 days within the US!!! However, you may receive items earlier. A tracking number is sent after the order is processed so you can track it every step of the way! Cool stuff is worth the wait! 😉

 🔒 100% Risk-Free Purchase 🔥 

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 If you bought it and felt that it is not for you, don't worry. Just shoot us a message at contact, and we will make it right by offering you a replacement or refund. 100% Simple & Risk-Free process.

After-Sale Service  

Dear Customer, purchase any product here and try it in the comfort of your own home for 30 days.If for whatever reason you're not completely satisfied, then return the product within 30 days

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