Master DIN 338 HSS Drill Bit 5.5 mm

Master DIN 338 HSS Drill Bit (5.5 mm): The Solution for M6 Tapping and Strong Clearance Holes

Product Description

The Master DIN 338 HSS Drill Bit (5.5 mm) is a high-speed steel (HSS) cutting tool that holds a significant niche in professional manufacturing, metalworking, and construction sectors. Its 5.5 mm diameter plays a critical role, particularly in preparing pilot holes for M6 bolt/screw threads (while 5 mm or 5.2 mm are often preferred, 5.5 mm is used for a looser fit in some applications) and for drilling clearance holes for commonly used anchors and bolts.

Key features of this standard HSS drill bit include:

Diameter: The 5.5 mm diameter offers ideal clearance for standard M6 bolts to pass through easily. It is also used as a preliminary drilling step for M6 tapping in special cases or for a snug fit of commonly used 6 mm anchors.

Material Standard (HSS): Manufactured from High-Speed Steel (HSS). This material is resistant to high rotational speeds and frictional heat. This property ensures the bit's effective and long-lasting performance across a wide range of common materials, including light alloy steels, cast iron, non-ferrous metals (aluminum, brass), plastics, and all types of wood.

Standard (DIN 338): Manufactured in full compliance with the DIN 338 standard. This international standard defines the bit's cylindrical shank, which is compatible with universal drills, its optimal helical geometry, and its cutting angle. This standardization ensures reliable and consistent performance across different drilling machines.

Versatility: The 5.5 mm diameter offers versatility by providing both robust cutting performance and a suitable clearance hole size for common fasteners.

Usage: Used with hand drills, cordless screwdrivers, and stationary bench drills.

Application Areas and Sectors

The Master DIN 338 HSS Drill Bit (5.5 mm) is used as a fundamental tool in all sectors where strong clearance holes and standard fasteners are employed:

Machinery and Appliance Manufacturing:

M6 Clearance Holes: Drilling assembly holes where M6 bolts, nuts, and pins need to pass freely. This is critical for part alignment and ease of assembly.

Tapping Preparation: Preparing pilot holes for M6 or similar screw threads in special situations (for easier tapping or a looser fit).

Construction and Renovation:

Anchor Installation: Preparing holes for the installation of standard 6 mm plastic anchors (the initial hole is usually drilled with 5.5 mm) or commonly used screw fasteners.

Metal Construction: Drilling bolt connection holes in aluminum and light steel profiles.

Carpentry and Furniture Manufacturing:

Drilling pilot holes for thicker and longer screws.

Preparing standard clearance holes for the installation of furniture hardware.

Electrical and Plumbing Installations:

Preparing holes for the installation of pipe clamps, hanging systems, and cable trays.

Automotive and Metalworking:

Preparing clearance holes for bolt connections in metal plates, brackets, and engine compartment parts.

In Summary: The Master DIN 338 HSS Drill Bit (5.5 mm), with its 5.5 mm diameter and HSS material, offers industrial-standard reliability and versatility. Thanks to its compliance with the DIN 338 standard, it is a diameter size that professionals must have in their toolkit, providing high-performance and accurate drilling for clearance holes for M6 bolts and general-purpose drilling tasks across a wide range of materials, from steel to wood, plastic to aluminum.