Plug type

Drill size (inches)

Irontite

25/64

7/16

15/32

11/64

13/64

5/16

11/32

9/16

23/32

51/64

9/64

1-1/32

1-1/16

1-1/4

1-5/16

Engine Manufacturer

GM/Detroit

Engine Cold Crack Repair, Drill size (inches): 51/64 and 1-1/32

H Solid Diesel Ductile Iron Repair Plug

H-HSS Taper Tap. High-speed steel taper tap for installing &ldquo;H&rdquo; series ductile iron plugs in casting repair.

The [407-5310-80] H-HSS Taper Tap is used for installing Irontite "H" series ductile iron plugs (including H-2 & H-4). Requires a 1 1/32" drill and use with reamer 407-5210-80. Use with TAP-O…

H-HSS Tapered Tap

GO SOLID DIESEL IRON PLUG

G-Oversize HSS Tapered Tap. High-speed steel tap for installing &ldquo;GO&rdquo; series ductile iron plugs in GM/Detroit Diesel 71 &amp; 92 engines and other casting repair applications.

The [407-5308-40] G-Oversize HSS Tapered Tap is used for installing Irontite "GO" series ductile iron plugs (452-2608-40, 452-2608-43, 452-2608-44, 452-2608-55) in GM/Detroit Diesel 71 & 92 engines…

G-Oversize HHS Tap

H-2 Drilled Diesel Ductile Iron Repair Plug

H-4 Diesel Iron Plug for Cast Iron Repair.

H-4 DRILLED DIESEL IRON PLUG

GO-3 DRILLED DIESEL IRON PLUG

GO Short Diesel Ductile Iron Repair Plug

GO-4 sized Iron Plug with Drilled hole.

Irontite GO-4 Drilled ductile plug has about 1 inch of threads on it with a tapered body from 0.843 at the smallest end.

GO-4 DRILLED DIESEL IRON PLUG

H HSS Tapered Reamer. Used for reaming holes in castings with thick metal sections before tapping for &ldquo;H&rdquo; series ductile iron plugs.

The [407-5210-80] H HSS Tapered Reamer prepares drilled holes in castings, especially thick metal, for tapping with the 407-5310-80 tap and installation of "H" series ductile iron plugs (452-2610-80…