Wera Bit-Check Mixed BiTorsion Diamond-Coated… (991FP)

£ 29.99INC VAT

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Wera Bit-Check Mixed BiTorsion Diamond-Coated Screwdriver Bit Set 12 Pieces (991FP)

Pocket-sized, BiTorsion Bit-Check with Rapidaptor for drill and drill drivers. Designed to prevent premature wear and extend service life due to precision hardening process. The BiTorsion Zone absorbs peak stress loads. The holder, with quick-release chuck, offers press-in auto-lock and rapid one-handed bit changes for insert and power bits. The holder spin sleeve allows steady screwdriving. BiTorsion diamond-coated bits ensure safe working, preventing slip. Additionally, where screws are driven into resistant materials, diamond-coated bits 'bite' into the fastener reducing cam-out effect. Colour-coded for easy bit selection. Supplied with case.

  • Chrome Molybdenum Steel Blades
  • Suitable for Power Screwdrivers & Hand Tool Bit Holders
  • Diamond-Coated to Prevent Cam-Out

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Rated 5 out of 5 by from Handy little set Excellent bit set, though missing PZ3 should tell you what they are designed to do. Do not use with impactor or high torque tools. Buy the Impaktor TriTorsion set if you need them for that type of work.
Date published: 2021-02-22
Rated 5 out of 5 by from Long lasting hand/drill bits There are 2 kinds of screwdriver bits - hard long lasting bits for hand or drill, and tough but softer bits for impact drivers which will not chip or snap. These bits are hard but more brittle for hand or drill and have a roughened diamond surface to maximise gip and avoid "cam out" which would wear the screw and the bit. They come in a neat case suitable for a pocket. You will need another bigger set to cover all the different heads, and one for the impact driver if you have one, but this will become a favourite for everyday use.
Date published: 2021-01-29
Rated 5 out of 5 by from Superb Quality in these Bits Performance and Quality of these bits is fantastic. All stored in a very neat pocket size holder.
Date published: 2020-12-29
Rated 5 out of 5 by from Good Very good. Very very good. The best.better than other brands.
Date published: 2020-06-17
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Adaptor Compatible Tool Suitable for Power Screwdrivers & Hand Tool Bit Holders
Blade Material Chrome Molybdenum Steel
Brand Wera
Manufacturer Guarantee 1 Year Guarantee
Model Name Bit-Check
Model No 05057421001
Pack Size 1
Pieces in Pack/Case 12
Product Type BiTorsion Diamond-Coated Screwdriver Bit Set
Screwdriver Product Type Interchangeable
Screwdriver Tip Size Mixed
Screwdriver Tip Type Mixed

Product contents

889/4/1 K Rapidaptor universal bit holder (¼'' x 50mm), 3 x 851/1 BDC PH bits (PH1 x 25mm, 2 x PH2 x 25mm), 3 x 855/1 BDC PZ bits (PZ1 x 25mm, 2 x PZ2 x 25mm) and 5 x 867/1 TX BDC bits (TX10 x 25mm, TX15 x 25mm, TX20 x 25mm, TX25 x 25mm and TX30 x 25mm).