Westward
Westward Straight Flute Hand Tap 1/4"-20 Taper 4 Flutes UNC
A straight-flute hand tap for cutting 1/4"-20 UNC threads in through-holes with a taper lead and four flutes
- TypeHole, Drill, Bore & Wire Gauges
- Taper chamfer starts threads easily in through-holes
- Four straight flutes clear chips efficiently during hand tapping
- Carbon steel construction handles general-purpose threading tasks
- Bright uncoated finish suits low-speed manual operations
- 5 in overall length provides control for 1/4"-20 UNC threads
Thread-Cutting Tap for 1/4"-20 UNC Holes
This straight flute hand tap cuts internal threads in a 1/4"-20 UNC size. It is made from carbon steel with a bright uncoated finish. The tool suits maintenance, repair and light production work where a taper lead eases starting.
Taper Lead with Four Flutes
The taper chamfer provides a gradual thread start that reduces the force needed to begin cutting. Four straight flutes give good chip clearance in through holes and blind holes alike. The thread length is 1 in within an overall length of 2.5 in.
Right-Hand Threading for Standard Fasteners
The tap cuts right-hand threads that match common 1/4"-20 bolts and screws. It requires a suitable tap wrench or handle and cutting fluid for best results. Buyers needing a bottoming or plug chamfer, or a different thread limit, should select another model.
Highlights
- Taper chamfer starts threads easily in through-holes
- Four straight flutes clear chips efficiently during hand tapping
- Carbon steel construction handles general-purpose threading tasks
- Bright uncoated finish suits low-speed manual operations
- 5 in overall length provides control for 1/4"-20 UNC threads
Specifications
| Brand | Westward |
|---|---|
| Type | Hole, Drill, Bore & Wire Gauges |
Questions about this item
What does the 1/4"-20 thread size mean when I am cutting threads in a real workpiece?
It produces a quarter-inch diameter Unified Coarse thread with 20 threads per inch, giving a standard coarse pitch for general fastening.
What does the UNC standard cap in practice for this tap?
UNC defines the coarse-thread series; the tap cuts a Class 1B fit, which is the loosest standard tolerance for easy assembly.
What does the 2.5 in overall length require from my tap wrench or holder?
The wrench must accommodate a tool 2.5 inches long with a 1-inch threaded section, leaving adequate shank for secure gripping.
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