M30 X 1.5 Metric Hand Tap 1 Pair - Durable Hand Threading Tool

In this review the M30 X 1.5 Metric Hand Tap 1 Pair is assessed for workshop use and light industrial repairs; it is best for technicians and hobby machinists who need a reliable hand tap for creating or repairing coarse M30 x 1.5 threads. The single biggest reason to buy is its straightforward, standard thread design made from alloy tool steel offering high hardness and toughness, which translates into consistent cuts and longer life under normal hand-tapping conditions when coolant is used appropriately.

Key Features

• Size and fit: The 5.00 in overall length and 1.46 in thread head give a solid tool length for controlled hand tapping in through and blind holes.
• Material construction: Made of alloy tool steel, the tap offers high hardness and toughness for repeated use on most metals.
• Standard thread geometry: The standard M30 x 1.5 thread design produces predictable, widely compatible threads for repair and fabrication work.
• Square head drive: The 16.0 mm square head provides a positive grip for T-handle or wrench turning to reduce slippage during hand operation.
• Shank robustness: A 20.0 mm shank diameter helps resist bending under manual torque, improving alignment when cutting threads by hand.
• Pair packaging: Supplied as a 1 pair set so a spare or next-size tap is available without separate purchases.

Who It's For

The M30 X 1.5 hand tap is aimed at metalworkers, maintenance techs, and DIY machinists who need a dependable, manual threading tool for alloy steels, cast iron, and other common metals. It works well for repair jobs and small production runs where a hand tap is preferable to machine tapping.

Those who should look elsewhere include users who require rapid high-volume production, or who need specialized coatings or carbide construction for extreme abrasive materials; a machine tap or coated series would be a better fit in those cases.

Pros & Cons

Pros

• Good value and perceived quality, customers report the taps match expectations for price and performance.
• Durable alloy tool steel offers a balance of hardness and toughness for a variety of metals.
• Well-sized components - 5.00 in length, 20.0 mm shank and 16.0 mm square head - give reliable hand operation and grip.
• Packaged as a pair so a backup or additional tap is included for convenience.

Cons

• Designed for hand use only, so users seeking machine tapping performance or high-speed production may find it limiting.
• No specialty coating is specified, so extra care and coolant are needed when tapping abrasive or hard materials.

Specifications

Thread	M30 x 1.5 mm
Overall length	5.00 in / 127 mm
Thread head length	1.46 in / 37 mm
Square head	16.0 mm x 16.0 mm
Shank diameter	20.0 mm
Material	Alloy tool steel (high hardness and toughness)
Package	1 pair of M30 x 1.5 mm hand threading taps

Our Verdict

The M30 X 1.5 Metric Hand Tap 1 Pair is a solid, cost-effective choice for technicians and hobbyists who need dependable manual threading in common metals; its alloy tool steel construction and practical dimensions make it good value for repair and small-batch work, provided the user applies appropriate coolant and accepts the limitations of a hand tap compared with production machine taps.

Frequently Asked Questions

Can this tap be used in alloy steel and cast iron?
Yes, the tap is designed for most metals including alloy steel and cast iron when used by hand with appropriate coolant.

Is this tap suitable for machine tapping?
No, the product is intended mainly for hand use; machine tapping may require different tap types and specifications.

How many taps are included?
The package includes one pair of M30 x 1.5 mm metric hand threading taps.