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๐ง Cut sharp, work smart โ drill like a pro with LAIWEI!
The LAIWEI 2.1-inch (53mm) HSS hole saw drill bit features a robust M42 cobalt high-speed steel blade with electron beam welding for superior cutting performance and durability. Its spring-loaded center drill efficiently ejects chips, minimizing downtime and wear. Designed for precision and versatility, itโs ideal for drilling wood, plastic, gypsum board, and thin metals using handheld or cordless drills. Engineered for professionals demanding clean, fast, and reliable hole cutting.






| ASIN | B07R5RZNQK |
| Best Sellers Rank | 99,195 in DIY & Tools ( See Top 100 in DIY & Tools ) 323 in Hole Saws |
| Brand | Laiwei |
| Colour | Red |
| Compatible Devices | Handheld electric drill, Cordless electric drill |
| Compatible Material | Metal, Wood |
| Customer Reviews | 4.3 out of 5 stars 2,556 Reviews |
| Included Components | bit |
| Item Thickness | 10 Millimetres |
| Item Weight | 0.25 Kilograms |
| Item thickness | 10 Millimetres |
| Manufacturer | LAIWEI |
| Manufacturer Part Number | SJKKKQ |
| Material | High Speed Steel , Spring Steel |
| Model Number | SJKKKQ |
| Number of Teeth | 2 |
| Number of teeth | 2 |
| Style | Industrial |
| Style Name | Industrial |
| UPC | 791280334823 |
| Unit Count | 1.0 count |
S**Y
Good metal
Itโs a hole saw! All I can say is it is very sharp. It It cut all the hole through my composite decking and is still sharp.
J**S
Did what I needed
I used this to drill a hole in a wood board for my portable aircon exhaust pipe . It was a perfect fit
L**S
Good For it's price
I am rating this product only 3 stars because on the first use of it the center ring bearing fell off, but it is made of decent plastic material. I will keep it as work a back up. Thanks.
E**O
A professionally recommended product
Review from a Tool & FileMaker. It's an average price. But performs well considering this. So therefore in contradiction, it's a good purchase. Upon close inspection it's well made including the rare central ejection spring for slugs. The blade's teeth are both even, sharp & concentric. The central h.s.s. drill is also of good quality & is fully adjustable using its set screw clamp that is assembled after main manufacturing using a fine coating of machine oil. The hole saw is finally finished off with a heavy orange powder coating for wear ability & life. It performed perfectly right out of the package & my project was completed in minutes. I can highly recommend these hole saws having been in my trade for over 40 years & upon deeper research the LAIWEI company itself.
K**N
Not good for metal
I bought this to cut metal siding, first attempt broke the pilot bit. Installed another bit and never made it thru 25 gauge siding.
I**Y
Good saw for a great price
Great saw, as I needed to cut recessed lighting in my ceiling tile. One thing to watch is that there is no locking mechanism, therefore if not cutting and you stop your drill, the saw continues to spin, then cone off the collar. Other than that, it works great.
Trustpilot
1 month ago
2 months ago