The ball peen in Heller's right hand came straight across and buried itself in the assailant's skull!
Other peen shapes, the cross peen and the straight peen, are also available, but the ball peen is still the most popular model for most metal-working jobs.
He put the ball peen hammer down and moved to look.
Probably used a heavy ball peen hammer, something like that.
To repair cracked mortar, use a cold chisel and either a large ball peen hammer or a small sledge hammer to chip away the damaged pieces.
Wear safety goggles when hammering, and use a ball peen or mason's hammer to strike the chisel.
He found the hole by feel, stuffed the sleeping bags through, stuck the ball peen into his belt, lay down on his back, and pulled himself out until his head and chest were through.
The compressive residual stress in a metal alloy is produced by the transfer of kinetic energy (K.E.) from a moving mass (shot particle or ball peen) into the surface of a material with the capacity to plastically deform.
I go up to my room and take a pillow and get the ball peen hammer out of my tool kit.
If the crack is large enough to accept the blade of a cold chisel, use the chisel and a ball peen hammer to widen the crack and undercut the sides so the crack is wider inside than at the surface.