Union Butterfield 1500L(UNF) High-Speed Steel Hand Tap, Uncoated (Bright) Finish, Round Shank With Square End, Plug Chamfer, 1/4''-28 Thread Size


Union Butterfield 1500L(UNF) High-Speed Steel Hand Tap, Uncoated (Bright) Finish, Round Shank With Square End, Plug Chamfer, 1/4''-28 Thread Size by Union Butterfield at Reclaimed Wood Blog. MPN: 1500L1/4X28. Hurry! Limited time offer. Offer valid only while supplies last. The Union Butterfield 1500L(UNC)/1500L(UNS) uncoated, high-speed steel hand threading tap has straight flutes, a plug chamfer, and a round shank with a square end, and is used to create left-hand threads in a range of materials. It is available in two different ANSI thread specification standards: UNC (Unified Coarse) or UNS (Unified Special). The straight flutes are suitable for threading through holes (extending through the workpiece) and blind or bottoming holes (with only one opening). Left


Union Butterfield 1500L(UNF) High-Speed Steel Hand Tap, Uncoated (Bright) Finish, Round Shank With Square End, Plug Chamfer, 1/4''-28 Thread Size by Union Butterfield
4.1 out of 5 stars with 31 reviews
Condition: New
Availability: In Stock
$30.70


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Product Description & Reviews

The Union Butterfield 1500L(UNC)/1500L(UNS) uncoated, high-speed steel hand threading tap has straight flutes, a plug chamfer, and a round shank with a square end, and is used to create left-hand threads in a range of materials. It is available in two different ANSI thread specification standards: UNC (Unified Coarse) or UNS (Unified Special). The straight flutes are suitable for threading through holes (extending through the workpiece) and blind or bottoming holes (with only one opening). Left hand threads are designed to tighten when the head or nut is rotated counterclockwise; they are useful to prevent loosening in applications where the assembly will rotate counterclockwise. The plug chamfer eases tapping at the beginning of the hole and helps maintain correct perpendicular alignment with the workpiece for increased tool life. 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, this 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 it 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 Union Butterfield 1500L series, all taps have four flutes and plug chamfers. This tap conforms to ANSI standards and can create threads to a depth 1 ½ times its diameter. It is suitable for the ANSI 3B tolerance class: 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. Dormer Pramet manufactures cutting tools under the following brands: Precision Twist Drill, Dormer, Union Butterfield and Pramet. The company has locations around the world, and provides tools adhering to ANSI, NAS, and DIN standards.

Features & Highlights

  • Hand threading tap with straight flutes cuts threads in through holes and blind holes
  • Left hand threads help prevent loosening in applications involving counterclockwise rotation
  • Plug chamfer for easier starting and correct perpendicular alignment
  • Available in UNC (Unified Coarse) or UNS (Unified Special) thread options for different applications
  • High-speed steel is compatible with a variety of materials

Additional Information

Brand:
Union Butterfield
Manufacturer:
Precision Dormer
Category:
Hand Threading Taps
Model:
1011775
MPN:
1500L1/4X28
UPC:
698464015526
Part Number:
1500L1/4X28
Size:
1/4"-28
Publisher:
Precision Dormer
Binding:
Misc.
Item Weight:
0.01 pounds
Package Weight:
0.05 pounds
Package Size:
0.3 x 0.3 x 2.9 inches

 


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