Which type of screws is this bit set designed for?

These bits are designed for size SW4 hexagonal (HEX) socket screws, suitable for both countersunk and pan-head screws.

Are these bits suitable for use with impact drivers?

Yes, thanks to the patented torsion zone, TY bits can be used with regular drills as well as powerful impact drivers.

What are the drive size and length of these bits?

The bits feature a standard 1/4" C6,3 drive connection and have a total length of 29 mm.

How many bits are included in this set?

This set contains 5 TY bits of 29 mm supplied in a compact storage box.

What is the purpose of the red color marking?

The red fluorescent coating makes the bit easy to identify and locate, even in dark environments using a UV light.

WIHA 7013TY904 bit set TY bit hexagon 4 x 29 mm 5-piece 1/4" in box - 42105

Name: WIHA 7013TY904 bit set TY bit hexagon 4 x 29 mm 5-piece 1/4" in box - 42105
Brand: WIHA
SKU: 08074965
Price: 14.73 EUR
Availability: InStock

Supplier number: WIHA 42105 | EAN 4010995421052

14.73 tax incl.

€12.17 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

box

Ordered before 20:00 - delivered tomorrow 17/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Durable Wiha hex bits for demanding fastening

Practical benefits

Patented extended torsion zone: You can safely use these bits in impact drivers thanks to superior torque absorption.
Fluorescent color coating: You quickly locate dropped bits in dark work areas using a standard UV light.
Universal fastening capability: You handle both hard and soft fastening applications without causing premature bit tip wear.

In a nutshell

The right choise for

With the Wiha 7013TY904 bit set, you tackle demanding fastening jobs with complete confidence. Engineered with a patented extended torsion zone, these 4 mm hex bits easily absorb high torque peaks in powerful impact drivers and standard drill drivers. The precision fit prevents cam-out and stripped fasteners across both wood and hard metal materials. a distinct red fluorescent coating ensures you quickly recover dropped bits using a uv light in dark work areas. Supplied in a compact storage box, this set of 5 durable 29 mm bits with a standard 1/4" C6,3 drive keeps your essential fasteners organized and always within reach.

Product information FAQ

€14.73

In stock - tax incl.

Key features according to our expert

Length: 29 mm
Drive profile size (bit): 4 mm
Blade thickness: Not applicable
Type of drive profile (bit): Hexagon
Connection size (bit): 1/4"
Bit profile: HEX 4 mm
Number per pack: 5

Scope of delivery

5x TY-Bit 29 mm Hex 1/4" SW4

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
Standards: DIN ISO 2351-3
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): 4 mm
Blade thickness: Not applicable
Type of drive profile (bit): Hexagon
Connection size (bit): 1/4"
Bit profile: HEX 4 mm
Number per pack: 5
Esd article: No
Tool for electrics: No
With battery / rechargeable battery: No
Self service - packing: No

Brand WIHA
08074965
EAN 4010995421052
Supplier number WIHA 42105

Frequently asked questions about this product

Answered by specialists

Which type of screws is this bit set designed for?: These bits are designed for size SW4 hexagonal (HEX) socket screws, suitable for both countersunk and pan-head screws.
Are these bits suitable for use with impact drivers?: Yes, thanks to the patented torsion zone, TY bits can be used with regular drills as well as powerful impact drivers.
What are the drive size and length of these bits?: The bits feature a standard 1/4" C6,3 drive connection and have a total length of 29 mm.
How many bits are included in this set?: This set contains 5 TY bits of 29 mm supplied in a compact storage box.
What is the purpose of the red color marking?: The red fluorescent coating makes the bit easy to identify and locate, even in dark environments using a UV light.