Carpenter chisel PETROGRAD, model Istra, 40mm
Forged chisels PETROGRAD Istra with a straight cutting edge and a wooden handle is designed for hard work. The basis for the manufacture of chisels Istra was taken the form of old Russian chisels from the museum rubankov.net, and also takes into account the company's long-term experience in the development of professional carpentry and carpentry tools Barr Specialty Tools. The blade is forged manually from steel ШХ15 (USA 52100, G52986, J19965; Germany 1.3505, 100Cr6, 102Cr6) and hardened to 55 ... 58 HRC. They are intended for processing deep grooves in logs and timber as an indispensable tool for the construction of frame structures in the style of timber frame, post-and-beam half-timbered, fachwerkhaus, Log house. Fastening to the handle with a conical socket. The thickness of the blade at the neck is 11 mm, the thickness in the area of the descent is 7 mm. The handles are made of ash and crimped with a stainless ring to harden the butt when working with a mallet or hammer. Available in widths of 25 mm, 38 mm, 40 mm and 50 mm. Blade length 200-250 mm, full length 320 mm. The wedge-shaped blade prevents jamming in the wood.
Totally hand made at PETROGRAD factory of joinery and carpentry tools. Made in Russia.
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