What are the most essential hand tools?

Essential hand tools include screwdrivers, pliers, wrenches, hammers, tape measures, and utility knives. These tools cover basic repairs, adjustments, and mechanical tasks.

What is the difference between hand tools and power tools?

Hand tools operate manually without electricity, while power tools use electric power or batteries to deliver higher speed and force.

What is the function of a torque wrench?

A torque wrench tightens bolts to a specific torque value, ensuring they are neither too loose nor over-tightened.

Which brand makes the most durable hand tools?

Premium brands like ELORA from Germany are known for durability due to high-quality steel and precision manufacturing.

What tools should every technician have?

Technicians commonly need a multimeter, screwdriver set, pliers, wrench set, tape measure, utility knife, and a ratchet with sockets.

What makes ELORA tools good?

ELORA tools are valued for German precision, high-grade chrome-vanadium steel, and long-lasting durability suitable for professional work.

Are ELORA tools made in Germany?

Yes. ELORA has been manufacturing tools in Remscheid, Germany since 1924.

Is ELORA a professional-grade tool brand?

Yes. ELORA is widely used by mechanics, engineers, and industrial professionals due to its high reliability.

Are ELORA tools worth the price?

Yes. ELORA tools offer long service life, excellent accuracy, and strong resistance to wear, making them a worthwhile investment.

What are the most popular ELORA tools?

Popular ELORA tools include socket sets, combination wrenches, screwdrivers, ratchets, and torque tools.

What are the different types of wrenches?

Common wrench types include combination wrenches, adjustable wrenches, socket wrenches, torque wrenches, and Allen keys.

What is the difference between a spanner and a wrench?

They are the same tool. 'Spanner' is used in the UK and Asia, while 'wrench' is the US term.

What is a combination wrench used for?

A combination wrench is used to tighten or loosen nuts and bolts. It has an open end and a ring end for versatility.

Why do torque wrenches need calibration?

Torque wrenches need calibration to maintain accuracy because internal components can shift with repeated use.

How often should a torque wrench be calibrated?

Most torque wrenches should be calibrated every 12 months or after heavy use.

What are the different types of screwdrivers?

The main screwdriver types include flathead, Phillips, Pozidriv, Torx, hex, and Robertson.

What is the difference between Phillips and Pozidriv?

Phillips has a simple cross shape, while Pozidriv includes additional guide lines that provide better grip and reduce slippage.

Why do screwdrivers strip screws?

Screws strip when the screwdriver is the wrong size, low quality, or used with inconsistent pressure.

How do you choose the right screwdriver?

Choose a screwdriver that matches the screw head shape and size, and ensure it fits tightly to avoid slipping.

What is a socket wrench used for?

A socket wrench is used to tighten or loosen nuts and bolts efficiently using a ratcheting mechanism.

What is the difference between 1/4, 3/8, and 1/2-inch sockets?

The sizes refer to drive size: 1/4-inch is for small fasteners, 3/8-inch is for general work, and 1/2-inch is for large bolts requiring high torque.

What is the purpose of a ratchet?

A ratchet allows you to loosen or tighten bolts without removing the tool between turns, speeding up the process.

What are the essential power tools for home use?

Essential power tools include a drill, impact driver, angle grinder, sander, and circular saw for common home tasks.

What is the difference between a drill and an impact driver?

A drill is used to make holes, while an impact driver delivers high torque for driving screws and bolts.

How do I care for my power tools?

Clean dust regularly, lubricate moving parts, store tools in a dry location, and inspect batteries or cables often.

How do you clean rusty tools?

Remove rust using vinegar or rust remover, scrub with a wire brush, then rinse and dry completely.

What is the best way to store tools?

Store tools in a dry toolbox or cabinet and use silica gel to reduce moisture and prevent rust.

How do I prevent my tools from rusting?

Keep tools dry, apply a thin layer of protective oil, and store them in a low-humidity environment.

Why is regular tool maintenance important?

Regular maintenance improves tool performance, safety, and lifespan.

Tool News & Smart Tips | Yew Aik Tools – Tagged "world-changing inventions"

10 Tools That Changed the World Throughout Human History

July 29, 2025 — Yew Aik PTE LTD

From stone hammers to precision power drills, tools have quietly shaped every chapter of human history. This article explores ten groundbreaking tools that didn’t just build things, they built civilizations, sparked revolutions, and redefined what humans could achieve. Discover how simple innovations turned into world-changing inventions.