Having finally bit the bullet and procuring a mag-drill recently, I've been slowly buying annular cutters as the need arises. First few I bought were Jancy Sluggers, but I decided to give these a try as they are also highly rated and somewhat less expensive.
I like that these come with the pins without having to dig through the listings, having the buy those separately is a pain (and typically pricey).
I used the cutter I purchased to gang drill 1/2 plate (4x plates, so 2" at a time, and yes I got a 2" depth cutter). Cutter performed very well, no chips or even discoloration on any teeth even after drilling a total of 16" of steel. I did use cutting oil (and yes it's required if you're not familiar with machine tooling), nothing too specific, just the general purpose cutting oil I had on hand.
Note: If you gang drill as I did, you will have to remove the slugs from each layer as you go, the last bit of the cut always stays on the slug and that will not cut when it's spinning in the hole, this is not a fault of the cutter, there's really no way to prevent this with annular cutters.
I am quite pleased with these cutters and will be looking at more of these as I run into a need for them.
|商品尺寸||10.2 x 7.6 x 7.6 厘米|