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CCOHS is not liable for any loss, claim, or demand arising directly or indirectly from any use or reliance upon the information. OSH Answers Fact Sheets Easy-to-read, question-and-answer fact sheets covering a wide range of workplace health and safety topics, from hazards to diseases to ergonomics to workplace promotion.

Search all fact sheets: Search. Type a word, a phrase, or ask a question. Select a hammer that is comfortable for you and that is the proper size and weight for the job. Misuse can cause the striking face to chip, possibly causing a serious injury. Choose a hammer with a striking face diameter approximately 12 mm 0.

Choose a hammer with a cushioned handle to protect you from vibration, impact, and squeezing pressure. Use hammers with electrically insulated handles for work on or around exposed energized parts. Ensure that the head of the hammer is firmly attached to the handle. Replace loose, cracked or splintered handles. Mobile Newsletter chat avatar. Mobile Newsletter chat subscribe. Home Improvement. By: Fix-It Club. When someone says they're bringing in the hammer, they're talking about something with a lot of power behind it.

See more pictures of hand tools. Home Repair Tools : Whether you prefer to use the Yellow Pages for anything that needs fixing around the house or consider yourself a regular do-it-yourselfer, there are a handful of tools that everyone should have in their tool box. Learn all about them in this article. Hand Tools : Learn about some of the most common tools you'll want to have around the house, most of which are used by hand, in this helpful article.

Fasteners : Fasteners, such as nails and screws, are used to connect two things together. Learn about the types of fasteners available and what they are typically used for on this page.

The handles may be made from wood, steel, or a composite material. Wood handles are usually made of straight-grained ash or hickory. These two woods have good cross-sectional strength, excellent durability, and a certain degree of resilience to absorb the shock of repeated blows. Steel handles are stronger and stiffer than wood, but they also transmit more shock to the user and are subject to rust.

Composite handles may be made from fiberglass or graphite fiber-reinforced epoxy. These handles offer a blend of stiffness, light weight, and durability. Steel and composite handles usually have a contoured grip made of a synthetic rubber or other elastomer. Wood handles do not have a separate grip.

Steel and composite handles may also be encased in a high-impact polycarbonate resin. The addition of this material around the handle increases shock absorption, improves chemical resistance, and offers protection against accidental overstrikes.

An overstrike is when the hammer head misses the nail and the handle takes the impact instead. This is a common cause of handle failure. There are several materials and methods used to attach the head to the handle. Wood handle hammers use a single thin wood wedge driven diagonally into the upper end The head is made by a process called hot forging. Once cut, the hammer head is heat treated to harden the steel. The manufacturing process varies from one company to another depending on the company's production capacity and proprietary methods.

Some companies make their own handles, while others purchase the handles from outside suppliers. In addition to the normal visual inspections and dimensional measurements, various steps in the manufacturing process are monitored. Probably the most important step is the heat treatment used to harden portions of the head. The temperatures and rate of heating and cooling are critical in forming the proper hardness, and the entire operation is closely controlled.

Having survived for thousands of years, it is unlikely that the hammer will disappear from civilization's toolbox anytime soon. It does have some serious competition though.

The most formidable competitor is the gas-driven nail gun. This device uses a compressed gas, usually air, to drive a nail into wood with a single shot. Although nail guns are heavier and more expensive than hammers, they are also significantly faster. This is especially true in repetitive nailing operations such as installing floor or roof sheathing for new home construction. Nail guns are also favored in areas where noise is a concern.

Because a nail gun can drive a nail in a single shot, it produces much less over-all noise than the five or six hammer blows it takes to drive a nail. Salaman, R. Dictionary of Tools. Charles Scribner's Sons, Vila, Bob. Warner Books, Inc. Capotosto, Rosario. Neary, John. Stanley Tools. Toggle navigation.