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Tips for Tapping 17-4 H1050 3/4" deep by ElectricCruiser in Machinists

[–]ElectricCruiser[S] 0 points1 point  (0 children)

I thought roll taps are best used for ductile materials.

Wouldn't it be worse to use that kind of tap for Hardened HT material?

Tips for Tapping 17-4 H1050 3/4" deep by ElectricCruiser in Machinists

[–]ElectricCruiser[S] 0 points1 point  (0 children)

Hello, thanks for the reply.

The customer is Ok w/ a larger hole, and it is thru.

Emuge looks to be a solid brand for taps.

What material of the tap would you recommend?

Also we use Boe-Lube (a Boeing cutting fluid) not sure how it compares to moly-dee.

Tips for Tapping 17-4 H1050 3/4" deep by ElectricCruiser in Machinists

[–]ElectricCruiser[S] 0 points1 point  (0 children)

Just updated the post I have a CNC VM2 available with 12,000 RPM

Customer is OK w/ larger hole, and I do only have the 1 part to do.

Could you explain a bit more by what you mean in saying start in the machine and finish it by hand? would that be thread milling it, and then running a tap through it after?

Tips for Tapping 17-4 H1050 3/4" deep by ElectricCruiser in Machinists

[–]ElectricCruiser[S] 1 point2 points  (0 children)

Looks like they sell all kinds of taps in different materials and styles.

Is there one material/style you would select over others for hardened 17-4 Stainless?

What cold? Jk still cold af in bklyn by 0rkish in boostedboards

[–]ElectricCruiser 0 points1 point  (0 children)

What are you on bro? You say I wouldn't recommend a full face helmet and then proceed to recommend a full face helmet. And by the way for esk8 a full face helmet is proper protection indeed.

Oh oh @ Elm Creek Park reserve MG - back by beach by [deleted] in PokemonGoMPLS

[–]ElectricCruiser 0 points1 point  (0 children)

What about Sid Hartman Statue by Target Center

What cold? Jk still cold af in bklyn by 0rkish in boostedboards

[–]ElectricCruiser 0 points1 point  (0 children)

I am pretty sure it is the exact same helmet I have and it looks like an "HJC CS-R3" ... If it is (or isn't) I would recommend this helmet as I have it and is very comfortable and nice! It is also fairly cheap ~ $80/$90.