Check the listing for details. SCT Thread Mill 7/16-20 Internal & External, 4 Straight Flute Carbide AlTiN. Condition: New – Open box. Listed at 125.29 USD. BRAND NEW SCT THREAD MILLHelical FluteSpecificationsMaterialSolid CarbideThread Size (Inch)7/16-20Thread TypeInternal; ExternalShank Diameter (Inch)3/8Shank Diameter (Decimal Inch)0.3750Cutting Diameter (Decimal Inch)0.3450Minimum Nominal Diameter (Inch)0.4375Overall Length (Decimal Inch)3.5000Thread StandardUNFFlute DirectionRight HandMaterial GradeSubmicronNumber Of Flutes4Coating/FinishAlTiN+Length Of Cut (Decimal Inch - 4 Decimals)0.8200Teeth Per Inch20UNSPSC Code23242117__________________________Free Shipping Continental USAInternational Buyers Welcome Thru EBAY Global Shipping OnlyCheck out our Store.We Combine Shipping for Multiple Items.Thank you for purchasing products from our eBay store. I will send your order within 2 days.When you receive the package and are satisfied with our productsplease leave a comment. Thank you. (A-12)