Taper Hand Reamer Bohrcraft 1671, HSS, DIN 9 Form B, Ø4–20 mm

Taper Hand Reamer Bohrcraft 1671, HSS, DIN 9 Form B, Ø4–20 mm is engineered for accurate reaming of taper pin holes in a wide range of materials. This tool is constructed from high-speed steel (HSS) and meets the DIN 9 Form B specification, ensuring consistent performance and dimensional accuracy. The reamer is suitable for use on ferrous metals, non-ferrous metals, and both hard and soft plastics, making it versatile for workshop and production environments.

The available size range from Ø4 mm to Ø20 mm covers most standard taper pin applications. Each reamer features a 1:50 taper angle and H7 tolerance, supporting precise fits for taper pins. The spiral flute design and optimized tooth count for each diameter enable smooth manual operation and a high-quality finish on the reamed hole. The tool’s robust construction allows for reliable use in both maintenance and manufacturing settings.

With overall lengths (L1) from 93 mm to 310 mm and cutting lengths (L2) from 67 mm to 250 mm, the Bohrcraft 1671 series accommodates a variety of hole depths and diameters. The minimum and maximum working diameters for each size ensure compatibility with a broad spectrum of taper pin standards. The number of cutting teeth varies by diameter, providing stable cutting action and efficient chip removal.

Bohrcraft 1671 Taper Hand Reamer, HSS, DIN 9 Form B, Ø4–20 mm

Technical Specifications

The Taper Hand Reamer Bohrcraft 1671 is manufactured to deliver consistent results in demanding environments. Its high-speed steel construction and adherence to DIN 9 Form B standards ensure dimensional stability and repeatability across multiple uses.

• Diameter range: Ø4 mm to Ø20 mm
• Overall length (L1): 93 mm to 310 mm
• Cutting length (L2): 67 mm to 250 mm
• Minimum diameter: 3.9 mm to 19.8 mm
• Maximum diameter: 5.25 mm to 24.80 mm
• Number of teeth: 4, 6, or 8 (depending on size)
• Taper angle: 1:50
• Tolerance: H7
• Material: High-speed steel (HSS)
• Standard: DIN 9 Form B

These specifications allow users to select the appropriate reamer for their specific application, ensuring a precise and clean finish for taper pin holes. The spiral flute design and tailored tooth count enhance manual handling and surface quality.

Construction and Design Features

Each Bohrcraft 1671 reamer is designed with a spiral flute pattern and an optimized number of cutting teeth for each diameter. This construction supports smooth chip evacuation and stable operation during hand reaming tasks.

• Spiral flute design for efficient chip removal
• Optimized tooth count for each diameter
• Manual operation capability
• Robust build for repeated use

The combination of spiral flutes and a suitable number of teeth ensures the reamer performs reliably across different materials and working conditions. The design supports both workshop and production needs where precision and repeatability are required.

Common Applications

The Bohrcraft 1671 Taper Hand Reamer is used in mechanical engineering, maintenance, and assembly work. It is suitable for creating or finishing taper pin holes in various materials, supporting a range of industrial and repair applications.

• Reaming taper pin holes in ferrous metals
• Reaming in non-ferrous metals
• Working with hard and soft plastics
• Applications in workshops, manufacturing, and equipment maintenance

This versatility makes the tool suitable for use in machine shops, assembly lines, and maintenance departments where precise taper pin holes are required.

Catalog Technical Content

According to the official catalog, the Bohrcraft 1671 Taper Hand Reamer is an industrial-quality tool for reaming taper pin holes in ferrous and non-ferrous materials, as well as hard and soft plastics. The available sizes include diameters of 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, and 20 mm. Overall lengths range from 93 mm to 310 mm, and cutting lengths from 67 mm to 250 mm. The minimum and maximum working diameters, as well as the number of teeth, are specified for each size. The reamer features a 1:50 taper angle and H7 tolerance, manufactured from high-speed steel to DIN 9 Form B standards.

This technical summary provides clear guidance for selecting the correct reamer size and configuration for specific taper pin applications, ensuring compatibility with industry requirements and reliable performance in professional settings.