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Machine Tap DIN 371 Form C 35° Spiral Flute HSSE - UNF 3/8 x 24

Name: Machine Tap DIN 371 Form C 35° Spiral Flute HSSE - UNF 3/8 x 24
Brand: VOLKEL
SKU: 76718
Price: 665000.0 VND
Availability: OutOfStock

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Imported from: Germany

Origin: Made in Germany

Machine Tap DIN 371 Form C 35° Spiral Flute HSSE - UNF 3/8 x 24 by VÖLKEL, item no. 76718, suitable for cutting internal threads.

SKU: 76718

665.000 đ

Price includes VAT

Description

Machine Tap DIN 371 Form C 35° Spiral Flute HSSE - UNF 3/8 x 24

This machine tap is intended for internal thread cutting in metalworking tasks where the tool is guided by a suitable tap holder. The execution follows DIN 371. The thread designation is UNF 3/8 x 24.

Check whether the execution is right hand or left hand, then plan the tapping cycle and reversal strategy to avoid chip packing and tool overload.

Application

Cut internal threads in pre-drilled holes using a controlled machine process.
Use a machine tap holder, collet system, or tapping attachment suited to the tap shank and drive.
Spiral flute geometry is commonly selected for blind holes because chips are drawn back along the flutes.
Process: manual driving or assisted driving depending on your holder and machine setup.
Use: thread cutting, re tapping, and thread cleaning depending on condition.

Note Use cutting fluid suited to the workpiece material and keep the tool clean and protected after use.

Benefits

Fits typical tap holding systems appropriate to the tool type
Makes selection easier by referencing standard, form, and thread designation
Supports predictable lead-in when you align the tool to the hole axis
Keeps tool handling straightforward during tool change and inspection
Provides a defined chamfer form for consistent thread start

Drawbacks

Limited suitability for very hard materials unless a dedicated execution is specified
Not suitable for uncontrolled hand tapping without a guided holder

Step by step

Confirm the thread designation and ensure the workpiece hole is prepared and free of burrs.
Secure the workpiece so the hole axis is stable during the tapping cycle.
Mount the tap in a suitable machine tap holder and check that the tool runs true.
Apply cutting fluid suited to the workpiece material.
Align the tool to the hole axis before you start the tapping cycle.
Run the tapping cycle with controlled feed and observe chip evacuation.
Withdraw and clear chips when needed so chips do not pack in the flutes.
Clean the thread and the tool, then protect the cutting edges for storage.

Scope of supply

Scope of supply is not specified in the provided product data for this item.

Technical features

Tool type: Machine tap
Standard: DIN 371
Chamfer form: Form C
Tool material: HSSE
Helix angle: 35°
Geometry: Spiral flute
Thread system: UNF

Frequently asked questions (FAQ)

When should you use a machine tap instead of a hand tap Use a machine tap when you can guide the tool with a machine spindle and a suitable tap holder, and when you want controlled feed that matches the thread pitch. What holder type do you need for this tap Use a machine tap holder, collet system, or tapping chuck that supports the tap shank and keeps alignment to the hole axis stable. What preparation is required before you tap the thread Prepare the core hole to the correct size for the thread designation, remove burrs, and add a small lead-in chamfer so the tap can start without side load. How do you control chips and cutting fluid during tapping Use cutting fluid suited to the workpiece material and clear chips regularly, especially in deeper holes or tougher materials, to prevent chip packing and tool overload. Where can you find additional technical information for this execution Use the following PDF for reference on inch threads and conversions: Inch to mm conversion table as PDF How do you reduce risk of tap breakage Keep alignment stable, avoid side load at entry, and stop if torque rises sharply so you can inspect hole preparation, lubrication, and chip evacuation. Where can you find more product and application information in the VÖLKEL catalog Use this catalog for additional details and related items: VD 23 catalog as PDF How do you inspect the thread after tapping Check that the thread is clean, that the start is not damaged, and that the functional fit matches the mating component used in your assembly.

Do you need help selecting or using the product?
Use the contact form.

Specifications

Type of thread	Unified Fine Thread
Standard	DIN 371
Form	Form C
Material	HSSE
Tolerance	2B
Size	UNF 3/8 x 24
Overall length (L1)	100 mm
Thread length (L2)	10 mm
Core hole diameter (D1)	8.5 mm
Shank diameter (D2)	9.0 mm
Drive connector	7.0 mm
EAN	4022835767183
Item number	76718
Type of flute	35° Spiral Flute
Application	for blind holes
Thread standard	ANSI B 1.1