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Taps

EMUGE Threading & Clamping Technology Catalog 408 The free, 450 page catalog features full-color product illustrations and descriptions complete with specifications, charts and guides. Download options for this catalog in PDF format.

Emuge is the premiere supplier of taps for the most demanding tapping applications. Our taps are used in the most industries including automotive, aerospace and high-tech.

We supply a full range of taps and carry metric and english unit versions. For more information about each tap line please browse the categories in the left-hand navigation bar, or use our Interactive Tap Finder to determine the best tool for your needs.

If you are having trouble finding a tap try our handy interactive tap finder.

Program Overview

1. Overall Tap Length

• Short machine screw taps have an overall length according to U.S. Standard dimensions.
• Machine taps EMUGE Rekord 1 (with reinforced shank) and Rekord 2 (with reduced shank) are made longer according to European standards.
• Such taps can easily be chucked with modern tapping attachments and yet aid in chip removal.
• Metric taps are available with overall tap lengths according to DIN and ANSI standards.

2. Thread Length

• EMUGE's tap thread length is determined by our vast experience regarding different threading applications.
• We have designed taps with a reinforced shank which have a neck to create longer effective threading lengths.
• The thread lengths of taper thread taps, such as NPTF Pipe, are designed to minimum lengths making them suitable for all kinds of holders.

3. Shanks and Squares

• The shank and square dimensions of all EMUGE Taps are made to U.S. Standards so that they can readily fit any available tap holder without difficulty.
• Metric taps are available with shank and square sizes according to DIN and ANSI standards.

4. Terminology

Some tap designations in this catalog are specific to the EMUGE range. Here is a short explanation of their meaning:

1. Tap Type

Illustration	Tap Type				Description	Hole Type
		Part 1		Part 2
		Rekord	•	A	straight flutes
			•	B	straight flutes and spiral point
			•	C	approx. 12º left-hand spiral flutes
			•	D	approx. 15º right-hand spiral flutes
			•	DF	approx. 15º right-hand spiral flutes with special helix correction to chamfer length
			•	AERO	approx. 30º right-hand spiral flutes with increased no. of flutes
	•	Enorm			approx. 39º right-hand spiral flutes ("Z" geometry approx. 45º right-hand spiral)
		Robust	•	X	short flute taps with chip space / hollow face
		GFU	•	Druck-S	fluteless roll form taps, standard design
			•	Druck-PM	fluteless roll form taps of PM steel, for more difficult work cases
			•	Druck-Z	fluteless roll form taps, for the most difficult work cases

• The dot indicates the position of the constructional design specification.

2. Constructional Design

Illustration (example)	Specification	Constructional Design
	(without)	Short machine taps	3/8" and smaller with reinforced shank
			7/16" and larger with reduced shank
	1	Machine taps with reinforced shank
	2	Machine taps with reduced shank

3. Characteristics

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