US
Irwin

IRWIN 1221 Bottoming Tap #6-48 NS

  • Size: One Size
  • Measurement System: Metric
  • Material: Blend
  • Number Of Pieces: 1

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

An Irwin-branded threading tool with spec data too inconsistent to build firm claims on, best verified directly before buying.

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ASIN: B000PSDKN6Model: 1221Category: Threading Tools

Overview

Some of the spec fields attached to Irwin's 1221 threading tool, a blend material and brushed finish, read more like fashion-item data than a pipe tool, so they are treated here as unreliable rather than taken at face value.

The material, finish and weight figures for this listing do not line up with what a metal threading tool would show, so no firm claims are built on them here. What is confirmed is the Irwin brand and the Threadings category placement.

  • Irwin brand threading tool
  • Model 1221
  • Tools > Threadings category
  • Spec data limited and inconsistent

Who it's for

Fits buyers who already trust Irwin's pipe and thread tool line and are comfortable buying without every spec confirmed upfront. Buyers who need confirmed weight, material or size before purchase should verify directly with Irwin, since the listed data does not hold up.

Pros and cons

Pros
  • From Irwin, an established name in pipe and thread tools
Cons
  • Listed material, finish and weight specs appear unreliable
  • No dimension or capacity data to confirm size or function

Performance notes

The listing's material, finish and weight fields do not read as consistent with a metal threading tool, so real-world performance detail cannot be drawn from the available data.

Specifications

BrandIrwin
Model1221
Dimensions & fit
SizeOne Size
Item Weight0.01 Ounces
Product Dimensions0 × 0 × 0 inches
Power & efficiency
Power SourceCorded Electric
Construction & materials
MaterialBlend
ColorMulti
FinishBrushed
Included components
Number Of Pieces1
Batteries IncludedNo
Included ComponentsScrew, Dies, Drillbit, Tape
Item Package Quantity1
Other details
Measurement SystemMetric
Batteries RequiredNo
Part Number1221
Item Model Number1221
ShapeRectangular
PatternSolid
StyleClassic
Head StyleFlat

Frequently asked questions

What is the Irwin 1221 made of?

The listed material field is inconsistent with a typical threading tool, so it should not be relied on, check with Irwin directly.

What size is the Irwin 1221?

The listing shows One Size, though this does not clearly describe tool dimensions.

What category is the Irwin 1221 in?

Tools > Threadings.