Wera 851/1 TZ Phillips Bits, PH 1 x 25 mm SB

The bit is clamped in a bit holder, bit box or screwdriving machine and transfers the torque to the screw head. Below you can read what to look out for when choosing and using it.

What does PH 1 mean for a Phillips bit?

Phillips is the name of the cross-head profile. The PH designation followed by a number indicates the size of the tip. PH1 is a small size, intended for smaller cross-head screws. A bit that is too large or too small sits loosely in the head and can damage the screw head. So first check which size fits your screws before you order.

Why a bit with a length of 25 mm?

A bit of 25 mm is the common standard length. It fits most bit holders and machines with a standard bit socket and is handy in places where you can reach the screw easily. If you need to reach a screw that sits deep in a recess or hole, a longer bit or an extension may be more practical.

What should you pay attention to when screwing?

Press the bit straight and firmly into the screw head and turn with even pressure. This prevents the bit from slipping out of the head and stripping the profile. It is best to replace a worn bit with a rounded tip in time, as it gives less grip and damages screws faster.

Frequently asked questions

Which screws is this bit intended for?

For screws with a Phillips cross head in size PH1. Check beforehand that the screw size matches the bit.

Can I use the bit in a regular bit holder or machine?

A bit of 25 mm usually fits standard bit holders and screwdriving machines with a suitable bit socket. If in doubt, check the connection of your tool.

How do I order this article?

You can order it via the webshop, or contact Proffix by phone or email. If the item is not in stock, Proffix will get it for you.