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EXACT Countersink50 mm x10.4mm1 Piece

RS Stock No.:
Mfr. Prt No.:

Technical Reference

Legislation and Compliance

RoHS Status: Not Applicable

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 5090014
Product description EXACT Countersink50 mm x10.4mm1 Piece
Manufacturer / Brand EXACT
Manufacturer part number 05513

The foregoing information relates to product sold on, or after, the date shown below.


Date Jun 29, 2022

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132

Country of Origin: DE

Product Details

RS PRO Three & Five-Flute HSS Countersink Drill Bits

RS PRO range of three and five flute high sped steel (HSS) countersink drill bits that conform to DIN 335/C standard.

Features and Benefits:

90° flutes for use with machines and portable tools
Reduced clogging
Improve clearance
Chatter free operation - less mechanical vibration
Cost effective and efficient
Made from HSS – this type of steel can withstand increases in temperature without losing its temper (hardness), allowing the steel to cut faster than high carbon steel

Typical Applications:

Countersink cutter drill bits are designed to fit directly into manual, electric and cordless drill driver attachments and have hexagonal or round shanks. Countersink cutters are used to create a chamfer around the rim of a pilot hole enabling the head of a countersunk screw to sit flush. Countersink cutters can also be used to remove the burr left from a drilling or tapping operation.
The HSS Countersinks are ideal working on metal and wood applications, offering a cost-effective solution with high performance and durability. Their applications include:
Power drills
Robot applications
Stationary machines
Column drills
Machine tools

When should you countersink?
Countersinking is done to ensure that flat head screws sit flush to the work piece. A countersink produces a conical hole matching the angle of the screw so that when the screw is fully engaged the head will sit flush or slightly below the surface. If you do not countersink the hole first, the screw may tear the fibres of the material leaving you with a rough work surface.

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.


Attribute Value
Head Diameter 10.4 mm
Drill Bit Type Countersink
Countersink Angle 90 °
Number of Flutes 3
Material HSS
Overall Length 50 mm
Shank Diameter 6 mm
Number of Pieces 1
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