The solid conductor is made from tinned copper that offers high quality performance for all general-purpose electrical applications, and the PVC insulation protects the wire against abrasion, chemicals, oils, and solvents.
.M-175, # 51-1378;Lang Oven Model Gcco-Ap, Gcco-C, Gcco-Pp, Gcco-Pt, ;Gcco-Sii, Gcco-T Serial Numbers After F-7933 Nat/Lp ;4-3/4" X 5" Black Box,Spark Plug Type Connection,;For Pilot Use H1413.
Three-fluted taps have the greatest chip holding capacity and should be used, in the size range where available, for tapping holes deeper than 1-1/2 diameters.
. Brubaker tool bottoming chamfer 318-16 bright hss hand tap h3 limit these general purpose taps can be used by hand or under power, in through or blind holes and are suitable for tapping most materials.