These are the only impact bits to survive my powerful 320nm driver. When paired with decent screws, they last in excess of 1000 100mm+ screws, whereas some competitors - even Bosch and Makita parts are shredded with just a couple.
Verified purchase: Yes | Condition: New
I bought these as I could not find the original straight shanked 50mm PZ2's which were available to the beginning of 2017. These are a bit too soft for my liking and are unless after a couple of uses, unlike the old ones that where hardened to the end of the tip.
Verified purchase: Yes | Condition: New
I have used these bits for quite a while and they are pretty good quality. One thing to make sure with them is that you use the right bit for the right screw, ie. Posi or philips, if not they can chew up quite easily in an impact driver, but that is down to user error. All in all, good value for the money.
Verified purchase: Yes | Condition: New
Simply these are well made and are good for general use and impact use. Only problems I have had come from the quality and accuracy of various screwheads on the market today. Some are excellent, some are rubbish. The poorer ones don't fit well-made screwdriver tips and get damaged (stripped to a cone if soft, or break up if too hard and brittle, and either if not cut precisely!!!).
Verified purchase: Yes | Condition: New
Still break but you do get alot longer out them than most brands.
Verified purchase: Yes | Condition: New
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