Thread Milling

Threading Solutions Contents

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Introduction Information Thread Mills Overview and Online Tools . . . . . . . . . . . . . . . 2 - 3

Bolt-in Style Inserts Refers to the available bolt-in style thread mill insert options

Solid Carbide Thread Mills

Product Overview . . . . . . . . . . . . . . . . . 4 Port and Thread Finishing Kits . . . . . . . . . . . . . . . . . 5 Product Nomenclature . . . . . . . . . . . . . . . 6 - 7 BSW Thread Form . . . . . . . . . . . . . . . 8 - 9 BSPT Thread Form . . . . . . . . . . . . . . . . . 10 BSPP Thread Form . . . . . . . . . . . . . . . . . 11

Bolt-in Style Insert Holders Refers to the range of holder options available for bolt-in style inserts

Pin Style Inserts Refers to the available pin style thread mill insert options.

NPT Thread Form . . . . . . . . . . . . . . 12 - 13 NPTF Thread Form . . . . . . . . . . . . . . 14 - 15 NPS Thread Form . . . . . . . . . . . . . . . . . 16 NPSF Thread Form . . . . . . . . . . . . . . . . . 17 UN Thread Form . . . . . . . . . . . . . . 18 - 25 ISO Thread Form . . . . . . . . . . . . . . 26 - 29

Pin Style Insert Holders Refers to the range of holder options available for pin style inserts

Setup / Assembly Information Detailed instructions and information regarding the corresponding part(s)

UN Thread Form (AccuThread T3) . . . . . . . . . . . . . . 30 - 3 2 ISO Thread Form (AccuThread T3) . . . . . . . . . . . . . . 33 - 3 4

Recommended Cutting Data Speed and feed recommendations for optimum and safe threading

Indexable Thread Mills Product Overview . . . . . . . . . . . . . . . . . 3 6 Product Nomenclature . . . . . . . . . . . . . . . . . 3 7 Bolt-in Style: NPT / NPTF Thread Forms . . . . . . . . . . . . . . . . . 3 8 BSPT / BSPP Thread Forms . . . . . . . . . . . . . . . . . 39

Coolant Through Option Indicates that the product is coolant through

UN Thread Form . . . . . . . . . . . . . . . . . 40 UNJ Thread Form . . . . . . . . . . . . . . . . . 41 ISO Thread Form . . . . . . . . . . . . . . . . . 42 Holders . . . . . . . . . . . . . . . . . 43 Pin Style: NPT / NPTF / BSPT Thread Forms . . . . . . . . . . . . . . . . . 4 4 BSPP / API-ROUND / ACME Thread Forms . . . . . . . . . . . . . . . . . 4 5

UN Thread Form . . . . . . . . . . . . . . 46 - 4 7 UNJ Thread Form . . . . . . . . . . . . . . . . . 4 8 ISO Thread Form . . . . . . . . . . . . . . . . . 49 Holders . . . . . . . . . . . . . . 50 - 51

Recommended Cutting Data Pre-Drill Information, Formulas and Recommended Pass Chart . . . . . . . . . . . . . . 52 - 53

Solid Carbide: AccuThread® 856 . . . . . . . . . . . . . . 54 - 5 5 Solid Carbide: ThreadMills USA . . . . . . . . . . . . . . 56 - 5 7 Solid Carbide: AccuThread® T3 . . . . . . . . . . . . . . 58 - 59 Indexable: AccuThread® 856 . . . . . . . . . . . . . . 60 - 63 Programming Guide . . . . . . . . . . . . . . 64 - 6 5 AccuThread T3 Technical Guide . . . . . . . . . . . . . . . . . 6 6 Troubleshooting Guide . . . . . . . . . . . . . . 68 - 69

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