How many bits are included in this box?

The storage box contains 25 pieces of Wiha TY-Bit Torx T20 bits measuring 29 mm.

What drive size and profile do these bits feature?

They feature a standard 1/4" C6,3 hex drive and a T20 Torx tip.

Are these Wiha TY-Bits compatible with impact drivers?

Yes, thanks to the patented torsion zone, they are suitable for drill drivers and impact drivers.

What type of fastening jobs is the TY-Bit design made for?

The universal TY-bit design is suitable for all screw fastenings in both wood and metal.

What is the purpose of the red UV coating on the bit?

The fluorescent red coating allows you to locate dropped bits quickly, even in the dark with a UV light.

WIHA 7929TY02029 bit set TY bit Torx T20 x 29 mm 25-piece in box - 42548

Name: WIHA 7929TY02029 bit set TY bit Torx T20 x 29 mm 25-piece in box - 42548
Brand: WIHA
SKU: 08075182
Price: 59.8 EUR
Availability: PreOrder

Supplier number: WIHA 42548 | EAN 4010995425487

59.80 tax incl.

€49.42 excl. VAT (incl. all environmental contributions)

On order: delivered from 21/10/2026

box

Ordered before 20:00 - delivered as of 21/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Superior durability with Wiha

Practical benefits

Extended service life: The patented torsion zone absorbs heavy peak impacts, ensuring these bits last considerably longer during tough jobs.
Impact driver compatible: You can reliably use these sturdy C6,3 bits in both standard drills and high-torque impact drivers.
Quick bit identification: Thanks to the bright red color coding, you immediately locate the right T20 bit in your toolbox.

In a nutshell

The right choise for

With the Wiha TY-Bit Torx T20 bit set, you power through demanding fastening jobs in wood, metal, and plastic without interruptions. The patented torsion zone absorbs heavy impact peaks, delivering an extended service life in both standard drill drivers and high-torque impact drivers. The precision-fit T20 profile minimizes cam-out and prevents damaged screw heads during repetitive assembly work. Packed in a practical storage box containing 25 pieces with a standard 1/4" C6,3 hex drive, you always have reliable replacement bits ready on the job site. The bright red uv coating ensures you locate dropped bits instantly.

Product information FAQ

€59.80

tax incl.

Key features according to our expert

Length: 29 mm
Drive profile size (bit): 20
Blade thickness: Not applicable
Type of drive profile (bit): Torx
Connection size (bit): 1/4"
Bit profile: T20
Number per pack: 25

Scope of delivery

25x TY-Bit 29 mm TORX 1/4" T20

Product description

Increases your efficiency: The all-rounder with 120x greater lifespan* thanks to patented bit technology, suitable for all screws. (*compared to Wiha standard bit)
Lowers your costs: Bit quick and easy to find thanks to red marking - even in dark environments by using an UV light.
Saves time: No long searches thanks to fluorescent bit, infrequent bit replacement thanks to long lifespan.
Product dimensions: 110 x 25 x 50 mm (LxWxD)
Application: Suitable for all types of screws. Also suitable for power tools and impact screwdrivers
Until now, when buying bits it hasn't been very easy to determine which bits are suitable for which applications. Wiha puts an end to this complexity of considering the appliance used, the fastening type and the large selection of different bits. Thanks to Wiha's revolutionary bit concept, only the screw shape is the deciding factor when selecting the right bit. Universal in its use, the multitalented TY bit is suitable for all types of screws - both T-shaped and Y-shaped screws - and thus the ideal tool for fastenings in all kinds of materials. Thanks to its patented torsion zone, the bit is also suitable for power tools and impact screwdrivers and guarantees a 120x greater lifespan compared to Wiha standard bits. The coloured bits are also quick and easy to find, even in the dark by using an UV light, thanks to its fluorescent coating. This reduces the number of bits which are lost and saves on the expense of acquiring new ones.
DIN 3126, ISO 1173, Style C6,3

All Features

Length: 29 mm
Drive profile size (bit): 20
Blade thickness: Not applicable
Type of drive profile (bit): Torx
Connection size (bit): 1/4"
Bit profile: T20
Number per pack: 25
Esd article: No
Tool for electrics: No
With battery / rechargeable battery: No
Self service - packing: No

Brand WIHA
08075182
EAN 4010995425487
Supplier number WIHA 42548

Frequently asked questions about this product

Answered by specialists

How many bits are included in this box?: The storage box contains 25 pieces of Wiha TY-Bit Torx T20 bits measuring 29 mm.
What drive size and profile do these bits feature?: They feature a standard 1/4" C6,3 hex drive and a T20 Torx tip.
Are these Wiha TY-Bits compatible with impact drivers?: Yes, thanks to the patented torsion zone, they are suitable for drill drivers and impact drivers.
What type of fastening jobs is the TY-Bit design made for?: The universal TY-bit design is suitable for all screw fastenings in both wood and metal.
What is the purpose of the red UV coating on the bit?: The fluorescent red coating allows you to locate dropped bits quickly, even in the dark with a UV light.