wera_05104644001
wera_05104644001
wera_05104644001
wera_05104644001

WERA 847 HSS combination drill bit with stud, 6.8 x 51 mm - 05104644001

Supplier number: WERA 05104644001 | EAN 4013288101549
Recommended Retail Price €34.18
16.95 tax incl.
€14.01 excl. VAT (incl. all environmental contributions)
On order: delivered from 14/10/2026

  • Ordered before 20:00 - delivered as of 14/10/2026
  • Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
  • Delivery by DHL

Three tasks in one operation

Practical benefits
  • Drill tap and deburr: The Wera 847 HSS combination bit drills the core hole, cuts M8 threads, and deburrs the hole in a single efficient step.
  • Excellent torque power transfer: The 1/4 inch hexagon shank locks securely into bit holders, preventing slipping and delivering dependable rotational force.
  • Smooth and reliable cutting: Finely tuned material elasticity provides high durability, outstanding chip removal, and a significantly reduced risk of jamming.

In a nutshell

The right choise for

With the Wera 847 hss combination drill bit, you drill the 6.8 mm core hole, cut M8 threads, and deburr in a single smooth operation. This eliminates tedious tool changes during metalworking, panel building, or maintenance tasks. The combined guidance ensures accurate, straight threading in thin sheet metal and profiles without misalignment. Made from high-speed hss steel with finely adjusted elasticity, it delivers reliable chip removal and significantly reduces the risk of jamming or breakage. Its 1/4" hexagon shank conforming to din iso 1173-D 6.3 fits securely into your bit holder or cordless drill, guaranteeing direct torque transfer without slipping.



€16.95
tax incl.

Product information

Key features according to our expert

  • Shank size: 1/4 inch
  • Shank type: Hexagonal
  • Overall length: 51 mm

Scope of delivery

  • 847 HSS Combined Tap Bits, 6.8 mm x 51 mm x M 8

Product description

High quality combination tapping drill bits for drilling, tapping and deburring. Made out of high speed steel (HSS). A finely-tuned material elasticity provides for great durability. The very good centring properties, perfect chip removal and a low tilt risk ensure pleasant working. The hexagonal shaft ensures very good power transfer. Drive: 1/4" hexagon, suitable for holders with take-up as per DIN ISO 1173-D 6.3.

  • Hex shaft for very good power transfer
  • Finely-tuned material elasticity for great durability
  • Very good centring properties
  • Perfect chip removal
  • Precise return movement

Application

  • Drilling, tapping, deburring

Design

  • HSS

Drive

  • 1/4" hexagon, suitable for DIN ISO 1173-D 6,3 holders

Features and benefits

  • Combination drill bits
    • Application: Core-hole drilling, tapping and deburring in one operation
    • 1/4" drive suitable for holders as per DIN 3126-D 6.3 (ISO 1173)
    • Hexagon shaft for very high torque transfer
    • HSS = high speed steel
    • Finely adjusted material elasticity for long service life
    • Excellent centring properties
    • Straightforward cutting
    • Perfect chip removal
    • Low jamming risk
    • Precise return control

All Features

Shank size
1/4 inch
Shank type
Hexagonal
Overall length
51 mm
Size
M 8
  • Brand WERA
  • EAN 4013288101549
  • Supplier number WERA 05104644001

Frequently asked questions about this product

Answered by specialists
What operations does this combination drill bit perform?
It drills the 6.8 mm pilot hole, taps the M8 thread, and deburrs all in a single operating step.
Which tools and holders are compatible with this bit?
With its 1/4" hexagon drive, it fits standard bit holders and drills or screwdrivers supporting DIN ISO 1173-D 6.3.
What are the exact dimensions of this bit?
The bit has a drill diameter of 6.8 mm for M8 threads and an overall length of 51 mm.
What material is this combination bit made of?
It is made of high-speed steel (HSS) with finely adjusted elasticity for long durability and reliable chip removal.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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