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Irwin

Irwin Hanson 9420ZR Hex Die 1/4-20 NC

  • Material Type: Blend
  • Number Of Pieces: 1
  • Item Weight: 0.01 pounds
  • Color: Multi

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

Our verdict

With minimal published specs beyond a single-piece count, this is best chosen by model number matching a known need, backed by a 4.7 rating over 191 buyers.

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ASIN: B000GATI5CModel: 9420ZRCategory: Threading Tools

Overview

Irwin lists the 9420ZR as a single-piece threading tool, though the product page stops at that description with no thread size or pitch attached.

Threading tools are matched to a job by pitch and diameter, and neither appears on this listing beyond the piece count of one. Buyers already familiar with the 9420ZR model number from prior use or a parts reference are best placed to order with confidence here.

  • Irwin brand
  • Model 9420ZR
  • Sold as a single piece

Who it's for

For tradespeople or DIYers who already know the 9420ZR matches their thread size from a part number or catalog. Not for anyone needing size guidance from the listing itself, since none is published.

Pros and cons

Pros
  • Sold as a complete single piece
  • Irwin brand recognition in hand tools
Cons
  • No thread size or pitch specs published
  • No purchase-volume data for the past month

Performance notes

No thread pitch, diameter or dimensional data appears on the listing, so how the 9420ZR performs on a specific fastener size cannot be judged from what Amazon publishes.

Specifications

BrandIrwin
Model9420ZR
Dimensions & fit
Item Weight0.01 poundslower than 95% of 43 threading tools
Item Dimensions5.9 × 1.8 × 0.7 inches
Outside Diameter0.2 inches
Compatible Groove Diameter0.2 inches
Item Diameter0.2 inches
Size NameOne Size
Thread Size1/4-20
Fastener Size0.25 inches
Construction & materials
Material TypeBlend
ColorMulti
Finish TypesBrushed
Exterior FinishZinc
Included components
Number Of Pieces1
Unit Count1
Included ComponentsDIE 1/4"-20NC 1" HEX
Other details
Fastener TypeScrew
Metal TypeAlloy Steel
Thread TypeBsf
Head TypeHex
Set Screw Thread TypeUNC
Number Of Items1
Part Number9420ZR
Item Type Name1/4inchx20 NC Hex Die
Drive SystemExternal Hex
Grade RatingIndustrial
Screw Head StyleHex
Thread ClassBsf
Thread CoverageFully Threaded
Thread StyleRight Hand

Closest rivals on specs

Klein Tools 625-24 Triple Tap 6-32 8-32 10-24
  • Item Weight 0.01 vs 0.02 pounds (-50%)
Century Drill & Tool 97310 Metric Tap 6.0 x 1.00
  • Item Weight 0.01 vs 0.02 pounds (-50%)
Century Drill & Tool 95403 Tap and Drill 1/4-20 NC
  • Item Weight 0.01 vs 0.04 pounds (-75%)
Compare all side by side

Frequently asked questions

What thread size does the Irwin 9420ZR fit?

The listing does not publish a thread size or pitch, so confirm compatibility with your specific job before ordering.

Is the Irwin 9420ZR sold as a set or single tool?

It ships as one piece, per the listed piece count.