Connection thread (metric): M5 (indicated as value 5)

the manufacturer's description of "tough" bits

The product is supplied in bundles and boxes with specified packaging dimensions and weights

Designed to provide access in hard-to-reach areas thanks to the narrowest head shape and a relieved underside

Metal threaded jacket on insulation

Adapter B4E-M4-I gul m/M4 gevind CAT II 1000V 32A Unit(s):Pcs Connection thread (metric): M5 (indicated. Insulated, with external thread for screw connection to threaded holes. Machined brass. 4 mm rigid socket in insulator accepting spring loaded 4 mm plugs with rigid insulating sleeve. Socket with internal slot for screwdriver.