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Dormer MTT E061/MTT E071 High-Speed Steel Straight Flute Tap, Gold Oxide Finish, Round Shank with Square End

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Product Specifications
Surface Coating
Gold Oxide
Shank Type
Round With Square End
Material Type
High Speed Steel
UNSPSC Code
27112806
Brand Name
Dormer

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Currently showing 1-20 of 110 Next 20 »
Thread Size Thread Type Manufacturer Series # Chamfer Type Number of Flutes Shank Diameter Length of Threads Overall Length Pitch Diameter Limit Mfr Part # ASIN

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Currently showing 1-20 of 110 Next 20 »
#6-32 UNC MTT E061 Taper 3 0.141" 0.58" 2" H3 348291 B003JY6Q48 yes $8.69 Buy Options
#6-32 UNC MTT E061 Plug 3 0.141" 0.58" 2" H3 348307 B003JY6Q4S yes $8.69 Buy Options
#6-32 UNC MTT E061 Bottoming 3 0.141" 0.58" 2" H3 348314 B003JY6Q5M yes $8.69 Buy Options
#6-40 UNF MTT E071 Plug 3 0.141" 0.58" 2" H2 349434 B003JY6RQU yes $9.69 Buy Options
#6-40 UNF MTT E071 Bottoming 3 0.141" 0.58" 2" H2 349441 B003JY6RRE yes $9.69 Buy Options
#6-40 UNF MTT E071 Taper 3 0.141" 0.58" 2" H2 349427 B003JY6RQ0 yes $9.69 Buy Options
#8-32 UNC MTT E061 Taper 4 0.168" 0.65" 2.125" H3 348284 B003JY6QAW yes $8.69 Buy Options
#8-32 UNC MTT E061 Plug 4 0.168" 0.65" 2.125" H3 348338 B003JY6QBG yes $8.69 Buy Options
#8-32 UNC MTT E061 Bottoming 4 0.168" 0.65" 2.125" H3 348345 B003JY6QC0 yes $8.69 Buy Options
#8-36 UNF MTT E071 Plug 4 0.168" 0.65" 2.125" H2 349472 B003JY6RYM yes $9.69 Buy Options
#8-36 UNF MTT E071 Bottoming 4 0.168" 0.65" 2.125" H2 349489 B003JY6RZG yes $9.69 Buy Options
#8-36 UNF MTT E071 Taper 4 0.168" 0.65" 2.125" H2 349465 B003JY6RY2 yes $9.69 Buy Options
#10-24 UNC MTT E061 Bottoming 4 0.194" 0.76" 2.375" H3 348383 B003JY6PQ2 yes $9.21 Buy Options
#10-24 UNC MTT E061 Taper 4 0.194" 0.76" 2.375" H3 348369 B003JY6POY Usually ships in 2 to 5 weeks $9.21 Buy Options
#10-24 UNC MTT E061 Plug 4 0.194" 0.76" 2.375" H3 348376 B003JY6PPI yes $9.21 Buy Options
#10-32 UNF MTT E071 Plug 4 0.194" 0.76" 2.375" H3 349519 B003JY6R6A yes $9.69 Buy Options
#10-32 UNF MTT E071 Bottoming 4 0.194" 0.76" 2.375" H3 349526 B003JY6R74 yes $9.69 Buy Options
#10-32 UNF MTT E071 Taper 4 0.194" 0.76" 2.375" H3 349502 B003JY6R5Q Usually ships in 2 to 5 weeks $9.69 Buy Options
#12-24 UNC MTT E061 Taper 4 0.22" 0.81" 2.375" H3 348406 B003JY6PR6 yes $9.75 Buy Options
#12-24 UNC MTT E061 Plug 4 0.22" 0.81" 2.375" H3 348413 B003JY6PRQ yes $9.75 Buy Options

Key Features

  • Hand threading tap with straight flutes cuts threads in through holes and blind holes
  • Gold oxide finish on smaller sizes reduces grinding stress within the tool
  • Available in UNC (Unified Coarse) or UNF (Unified Fine) right-hand thread options for different applications
  • High-speed steel for compatibility with a variety of materials
  • Round shank with square end allows tap to be used in hand or power-driven applications

Product Description

The Dormer MTT E061/MTT E071 high-speed steel hand threading tap has straight flutes, a round shank with a square end, and a gold oxide finish on sizes below 1”, and is used to create right-hand threads in a range of materials, with best performance in cast iron, aluminum, and magnesium. It is available in two different ANSI thread specification standards: UNC (Unified Coarse) or UNF (Unified Fine). The straight flutes are suitable for threading through holes (extending through the workpiece) and blind or bottoming holes (with only one opening). Gold oxide is a low-temperature heat treatment that reduces grinding stress within the tool. In this series all sizes below a nominal diameter of 1” have the gold oxide finish; sizes 1” and larger have an uncoated (bright) finish.

Right-hand threads are designed to tighten when the head or nut is rotated clockwise (the most common threading direction). High-speed steel (HSS) is a common general-purpose steel for cutting tools and is compatible with a variety of materials. With no coating or surface treatment, an uncoated tool can be used on a broad range of materials and provides an economical alternative to coated tools. The round shank with square end makes this tap suitable for hand or power-driven applications. 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 E061/MTT E071 series, taps that are machine-screw size 6 have three flutes and all other sizes have four flutes. They are available with a variety of chamfers. This tap conforms to ANSI standards and can create threads to a depth 1 ½ times its diameter. It is suitable for ANSI 2B and 3B tolerance classes: 2B is an average quality fit for commercial and industrial fasteners; 3B produces close-tolerance fasteners that resist loosening, as in aerospace applications.

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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