TwinBox Short machine tap Form C + reamer HSS-G NPT 1" x 11.5 | VÖLKEL
TwinBox Short machine tap Form C + reamer HSS-G NPT 1" x 11.5
TwinBox Short machine tap Form C + reamer HSS-G NPT 1" x 11.5 supports controlled thread cutting when you select it by thread system and apply it in a stable, guided setup. It fits typical shop workflows in machine building, service, and metal fabrication.
NPT indicates a tapered pipe thread, selected when the connection relies on thread interference together with a sealing method. HSS-G means ground high speed steel, which is commonly used when you need stable cutting behavior and clean thread flanks.
- Machine Tap use in repair and small batch work, including service workshops and mechanical engineering.
- Thread production on prepared holes or blanks where alignment is controlled by a holder, guide, or machine spindle.
- Process: manual driving or assisted driving depending on your holder and machine setup
- Use: thread cutting, re tapping, and thread cleaning depending on condition
- Use suitable lubrication and remove chips regularly so cutting edges do not pack up.
- Thread system context: match the tool to the NPT specification stated on the part or drawing.
Note VÖLKEL uses and recommends spiral drills from LÖHER. LÖHER product catalog as PDF
- Direct selection by thread designation such as NPT when stated reduces setup mistakes.
- Suitable for workshop processes where alignment and controlled engagement are practical priorities.
- Supports consistent thread quality when you use steady feed and lubrication.
- Works well for maintenance tasks where parts must be reworked to the drawing requirement.
Drawbacks
- Not suitable for materials or hardness outside the typical range for the named tool material and execution.
- Not intended for high performance production without a validated process and rigid machine conditions.
- Prepare the hole or existing thread so entry is clean and burr free.
- Select a suitable holder and ensure the tool is aligned square to the thread axis.
- Apply suitable cutting lubricant and start the cut with steady rotation.
- Maintain even feed without side force so the tool follows the axis.
- Reverse briefly to clear chips from the flutes, then continue with controlled engagement.
- Stop when required depth is reached, then back the tool out completely.
- Clean the thread and tool, then protect the tool from corrosion for storage.
- 1 piece TwinBox Short machine tap Form C + reamer HSS-G NPT 1" x 11.5
- Product type: Machine Tap
- Thread designation: NPT
- Tool material or execution: HSS-G / OX
- Connection context: Pipe thread
- What is TwinBox and where do you find an overview?
- Use this overview for orientation on the TwinBox concept: TwinBox overview as PDF
- How do you identify the correct thread designation from a drawing?
- Read the thread system, nominal size, and tolerance from the specification. Use matching gauges or reference tables when inch notation is used.
- How do you identify the correct thread designation from a drawing?
- Read the thread system, nominal size, and tolerance from the specification. Use matching gauges or reference tables when inch notation is used.
- How do you identify the correct thread designation from a drawing?
- Read the thread system, nominal size, and tolerance from the specification. Use matching gauges or reference tables when inch notation is used.
- What does the ring or execution label mean for TwinBox items?
- You use the execution label to separate tool variants and application focus. Match the label to the process requirement and the workpiece material.
- Where do you find the matching catalog section for this product family?
- Use the catalog for additional variants and reference information: VD 23 catalog as PDF
Do you need help selecting or using the product?
Use the contact form.
