High quality alloy steel Tap & Die Set containing popular metric tap, dies and holders. Suitable for cleaning and cutting new threads. In display & storage hanging case. Contains: tap wrench, die stocks, ratchet tap, thread gauge, screwdriver, 17 taps and 17 dies. Sizes 3 x 0.5, 3 x 0.6, 4 x 0.7, 4 x 0.75, 5 x 0.8, 5 x 0.9, 6 x 0.75, 6 x 1.0, 7 x 0.75, 7 x 1.0, 8 x 1.0, 8 x 1.25, 10 x 1.25, 10 x 1.5, 12 x 1.5, 12 x 1.75mm, 1/8NPT.
Would this do for threading 20/25mm steel conduit?
The largest dies in this Tap & Die Set are 12mm, so would not be suitable. The only set that has anything larger is the 45pc 48404500 – Screwfix code 9546K, this goes up to 24mm.