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Dormer MTT-X E007/MTT-X E017 Powdered Metal Spiral Flute Threading Tap, Gold Oxide Finish, Round Shank With Square End, Modified Bottoming Chamfer

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Product Specifications
Surface Coating
Gold Oxide
Shank Type
Round With Square End
Pitch Diameter Limit
6H
Material Type
High Speed Steel
Number of Flutes
3
Thread Type
Metric
UNSPSC Code
27112806
Chamfer Type
Semi-Bottoming
Brand Name
Dormer

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Thread Size Manufacturer Series # Shank Diameter Length of Threads Overall Length Mfr Part # ASIN

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Price  
All All All All All All      
Currently showing 1-14 of 14
M4-0.7 E007 0.168" 0.2484" 2.125" 580608 B003JY6IKK yes $19.95 Buy Options
M5-0.8 E007 0.194" 0.265" 2.375" 580615 B003JY6IKU yes $25.27 Buy Options
M6-1 E007 0.255" 0.3937" 2.5" 580622 B003JY6ILO yes $20.98 Buy Options
M8-1 E017 0.318" 0.4567" 2.7188" 580998 B003JY6KF8 yes $28.03 Buy Options
M8-1.25 E007 0.318" 0.4567" 2.7188" 580639 B003JY6IM8 yes $24.57 Buy Options
M10-1 E017 0.381" 0.5315" 2.9375" 581001 B003JY6KDK yes $44.42 Buy Options
M10-1.5 E007 0.381" 0.5315" 2.9375" 580646 B003JY6IGY yes $33.47 Buy Options
M12-1.75 E007 0.367" 0.689" 3.375" 580653 B003JY6IHI yes $40.01 Buy Options
M14-1.5 E017 0.429" 0.7087" 3.5938" 581018 B003JY6KE4 yes $65.73 Buy Options
M14-2 E007 0.429" 0.7087" 3.5938" 580660 B003JY6II2 yes $76.54 Buy Options
M16-2 E007 0.48" 0.7087" 3.8125" 580677 B003JY6IIM yes $57.79 Buy Options
M18-1.5 E017 0.542" 0.8858" 4.0313" 581025 B003JY6KEO yes $96.21 Buy Options
M18-2.5 E007 0.542" 0.8858" 4.0313" 580684 B003JY6IJ6 yes $123.69 Buy Options
M20-2.5 E007 0.652" 0.8858" 4.4688" 580691 B003JY6IJQ yes $89.58 Buy Options

Key Features

  • Spiral flute tap pulls chips back from the tip of the tool and out of the hole to prevent clogging
  • Spiral flutes for creating threads in blind holes
  • Gold oxide finish reduces grinding stress within the tool
  • Powdered-metal steel for performance approaching that of solid carbide tools, with the toughness and shock-resistance of high-speed steel
  • Available in Metric Coarse (M) or Metric Fine (MF) right-hand thread options for different applications

Product Description

The Dormer MTT-X E007/MTT-X E017 powdered-metal steel spiral flute tap has a round shank with a square end, gold oxide finish, and a modified bottoming chamfer, and is used to create metric right-hand threads in a range of materials, with best performance in steel, aluminum and magnesium. It is available in two different thread specification standards: Metric Coarse (M) or Metric Fine (MF). The 48-degree spiral flutes of this tap pull chips back from the tip of the tool, up and out of the hole to prevent clogging, making the tap suitable for blind or bottoming holes (with only one opening). Gold oxide is a low-temperature heat treatment that reduces grinding stress within the tool. The modified bottoming chamfer has additional length to reduce chip load, add tool life in difficult-to-machine materials, and permit higher tapping speeds.

Right-hand threads are designed to tighten when a head or nut is rotated clockwise (the most common threading direction). Powdered-metal steel offers performance that approaches that of solid carbide tools but with the toughness and shock-resistance of high-speed steel. The round shank with square end helps to minimize rotation in the tool holder. This tool can be used in machines, such as drill presses or lathes, or with hand tools such as tap wrenches.

In the Dormer MTT-X E007/MTT-X E017 series, all taps have three flutes and modified bottoming chamfers. This tap conforms to ANSI standards and can create threads to a depth two-and-a-half times its diameter. It is suitable for the 6H tolerance class: 6H is used for a normal length of thread engagement and medium tolerance quality.

Taps produce internal threads in previously formed holes and can be used in machines (such as drill presses) or with hand tools. Common types of taps include hand taps, spiral point taps, spiral flute taps, thread forming taps, and pipe taps. Hand taps (straight-flute taps) collect chips in the straight flutes of the tool; spiral point taps push chips through holes ahead of the tool; and spiral flute taps pull chips back from the tip of the tool, up and out the hole. Thread forming taps, also known as cold forming taps, press rather than cut to create threads in a drilled hole, and no chips are created. Pipe taps create threads in pipes and pipe fittings. Each thread type designates a thread profile and each type is identified with an abbreviation. In the U.S. and Canada, the Unified Thread Standard is the dominant thread type, including UNC (Unified Coarse), UNF (Unified Fine), and NPT (National Pipe Taper) threads, among others.

Precision Dormer manufactures cutting tools under the following brands: Precision Twist, Dormer, and Union Butterfield. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards.

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