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HAMMERS
• • Users and bystanders must wear safety goggles.
• • To avoid possible eye injury from flying objects, safety goggles or
equivalent protection conforming to ANSI Z87.1 shall be worn and
kept clean by the user and all persons in the immediate area where
any tool is being used.
• • Comfort or plastic grips on handles are not intended to give any
degree of protection against electric shock and shall not be used on
or near live electric circuits.
• • Hammer heads shall be inspected prior to each use and
the hammer discarded if it shows chipping, dents, cracks,
mushrooming or excessive wear.
• • Inspect handles before each use. Never use a hammer with a loose
or damaged handle.
• • Hammer blows must be struck squarely to the surface being struck.
• • Avoid glancing blows.
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• • Comfort or plastic grips on handles are not intended to give any
degree of protection against electric shock and shall not be used on
or near live electric circuits.
• • Metal cutting chisels are special purpose tools designed and
intended for the cutting, shaping, and removal of metal softer
than the cutting edge of the chisel. To avoid possible bodily injury,
chisels must not be used on objects as hard as or harder than the
chisel cutting edge. Do not use chisels on stone or concrete.
• • When using chisels, the cutting edge must be pointed away
from the user and any bystanders. Keep hands away from the
cutting edge
• • Chisels and punches must not be used for prying or wedging,
and no surface of the punch or chisel can be struck other than
the struck face.
• • When striking a punch or chisel, the striking face of the proper
hammer must have a diameter at least 3/8" larger than the
struck face of the chisel or punch. A hammer blow must be struck
HAMMERS, PUNCHES
& CHISELS SAFETY
• • When striking another tool (punch, chisel, wedge, etc.), the striking
face of the proper hammer must have a diameter at least 3/8"
larger than the face of the struck tool.
• • Keep striking faces free of oil and grease.
• • Never use one hammer to strike another hammer.
• • Never strike with the side (cheek) of a hammer.
squarely with the hammer face parallel with the struck face of the
chisel or punch. Avoid glancing blows.
• • Chisels, punches, and pry bars shall be inspected before each
use and their use discontinued at the first sign of excessive wear,
chipping, cracking, bending or mushrooming of any surfaces.
• • Nail hammers are intended to drive or pull unhardened nails only. • • Never use a chisel or punch with a mushroomed struck face, a
bent stem, or a chipped, dull or deformed cutting edge or point.
• • Never strike hardened objects with a nail hammer. • • Never hammer a pry bar or use a pry bar as a hammer.
• • Never use a soft face hammer to drive a nail or any hardened
object. • • No area, section, or portion of a chisel, punch, or pry bar shall
be ground, welded, reheated, or otherwise altered from its
original shape.
• • Use dead blow hammers to minimize vibration.
• • Instructors and employers shall train users and stress proper lifting
and swinging techniques for each striking tool application.
• • No area, section, or portion of a hammer shall be ground, welded,
reheated, or otherwise altered from its original shape.
PUNCHES, CHISELS, PRY BARS
• • Users and bystanders must wear safety goggles.
• • To avoid possible eye injury from flying objects, safety goggles or
equivalent protection conforming to ANSI Z87.1 shall be worn and
kept clean by the user and all persons in the immediate area where
any tool is being used.
ASME B107.400 – Striking Tools/Hammers
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• • Users shall apply a controlled force with a stance adjusted and
braced to prevent rapid bodily movement or a fall if sudden release
occurs. Users need to take extra care when using pry bars to avoid
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