M3 x .35 Spiral Point Plug DIN 371 Standard Tap, HSS-E-PM (PM Cobalt), D3/D4, TiCN Coated Type: Grey Ring,Number of Flutes: 3,Hole Type :Through Hole 56mm Overall Length, 3.5mm Shank Diameter, 18mm Threading Depth, Without Coolant Through, Chamfer Form B: 3.5 to 5 Lead Threads Series No. 2903, Order Code 03.0020, Guhring Part #9029030030020
M6 x .75 Yellow Ring Spiral Point Plug DIN 374 Small Shank Tap, HSS-E (Cobalt), D3/D4, Bright Finish Type: Yellow Ring,Number of Flutes: 3,Hole Type :Through Hole 80mm Overall Length, 4.5mm Shank Diameter, Without Coolant Through, Chamfer Form B: 3.5 to 5 Lead Threads Series No. 827, Order Code 06.0040, Guhring Part #9008270060040