Screw-drivers

Types of screw - drivers:

Screw - drivers metalwork and assembly with flat working part, GOST 17199 - 88.
Length of the screw - driver and size of a shovel: 160х0.6х4.0, 190x1.0x6.5, 250x1.0x6.5.

Screw - drivers metalwork and assembly with crosswise working part, GOST. 17199 - 88
Screw - driver length, number of crosswise part: 165 mm No. 1, 200 of mm No. 2, 200 of mm No. 3.

The screw - drivers combined 1,0х6,0/No. 2, TU 3926 - 024 - 05797687 - 2005
Core material: tool carbonaceous steel.
Handle material: OOPS shock - resistant polystyrene.
Protective and decorative covering of a core: zinc, nickel - chrome, copper.
Types of processing of a surface: 1st execution.
Description: The screw - driver – the simplest and at the same time the most necessary metalwork tool. Screw - drivers are used to screwing up and unscrewing of the screws and screws having a cut (vents) on a head. The screw - driver consists of three parts: working part (shovel), core and handle. Choose the screw - driver on width of working part which depends on the size a vent in a head of a screw or the screw.