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    Korloy Thread Mill STMS NPT Straight Flutes

    Korloy Thread Mill STMS NPT Straight Flutes

    Solid carbide straight-flute thread mill for external and internal NPT taper pipe threads to USAS B2.1:1968.

    Key features

    • Straight flutes
    • External and internal threading
    • National pipe taper thread (NPT)
    • Grade PC9060M

    Specifications

    Thread standard USAS B2.1:1968 (NPT)
    Tolerance class Standard NPT
    Application External / Internal
    Material Solid carbide
    STMS06059-EI27NPT Thread: 1/16" | Pitch (tpi): 27.0 | Shank dia. Ød (mm): 6 | Cutting dia. D (mm): 5.9 | Overall length L (mm): 57 | Thread length ℓ (mm): 9.41 | No. of flutes: 3.0 | Teeth: 10 | Bore dia. (mm): 0.66 | Grade: PC9060M
    STMS08079-EI18NPT Thread: 1/4" | Pitch (tpi): 18.0 | Shank dia. Ød (mm): 8 | Cutting dia. D (mm): 7.9 | Overall length L (mm): 63 | Thread length ℓ (mm): 14.11 | No. of flutes: 3, 5 | Teeth: 10 | Bore dia. (mm): 1.01 | Grade: PC9060M
    STMS08079-EI18NPT-TM5 Thread: 1/4" | Pitch (tpi): 18.0 | Shank dia. Ød (mm): 8 | Cutting dia. D (mm): 7.9 | Overall length L (mm): 63 | Thread length ℓ (mm): 14.11 | No. of flutes: 3, 5 | Teeth: 10 | Bore dia. (mm): 1.01 | Grade: PC9060M
    STMS12119-EI14NPT Thread: 1/2" | Pitch (tpi): 14.0 | Shank dia. Ød (mm): 12 | Cutting dia. D (mm): 11.9 | Overall length L (mm): 83 | Thread length ℓ (mm): 19.96 | No. of flutes: 5.0 | Teeth: 11 | Bore dia. (mm): 1.33 | Grade: PC9060M
    STMS16159-EI11.5NPT Thread: 1" | Pitch (tpi): 11.5 | Shank dia. Ød (mm): 16 | Cutting dia. D (mm): 15.9 | Overall length L (mm): 92 | Thread length ℓ (mm): 26.50 | No. of flutes: 5.0 | Teeth: 12 | Bore dia. (mm): 1.64 | Grade: PC9060M
    STMS16159-EI8NPT Thread: 2 1/2" | Pitch (tpi): 8.0 | Shank dia. Ød (mm): 16 | Cutting dia. D (mm): 15.9 | Overall length L (mm): 92 | Thread length ℓ (mm): 38.10 | No. of flutes: 5.0 | Teeth: 12 | Bore dia. (mm): 2.42 | Grade: PC9060M
    Thread MillsKorloy
    6 product codes available in this family
    Sourced direct from KoreaExport-ready supplyCompetitive pricing
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    Korloy Thread Mill STMS NPT Straight Flutes

    Brand Korloy·Thread Mills

    Available part numbers (6)

    STMS06059-EI27NPT, STMS08079-EI18NPT, STMS08079-EI18NPT-TM5, STMS12119-EI14NPT, STMS16159-EI11.5NPT, STMS16159-EI8NPT

    How to order

    Send the Korloy part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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    Product codes & specifications
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    Product codeSpec
    STMS06059-EI27NPTThread: 1/16" | Pitch (tpi): 27.0 | Shank dia. Ød (mm): 6 | Cutting dia. D (mm): 5.9 | Overall length L (mm): 57 | Thread length ℓ (mm): 9.41 | No. of flutes: 3.0 | Teeth: 10 | Bore dia. (mm): 0.66 | Grade: PC9060M
    STMS08079-EI18NPTThread: 1/4" | Pitch (tpi): 18.0 | Shank dia. Ød (mm): 8 | Cutting dia. D (mm): 7.9 | Overall length L (mm): 63 | Thread length ℓ (mm): 14.11 | No. of flutes: 3, 5 | Teeth: 10 | Bore dia. (mm): 1.01 | Grade: PC9060M
    STMS08079-EI18NPT-TM5Thread: 1/4" | Pitch (tpi): 18.0 | Shank dia. Ød (mm): 8 | Cutting dia. D (mm): 7.9 | Overall length L (mm): 63 | Thread length ℓ (mm): 14.11 | No. of flutes: 3, 5 | Teeth: 10 | Bore dia. (mm): 1.01 | Grade: PC9060M
    STMS12119-EI14NPTThread: 1/2" | Pitch (tpi): 14.0 | Shank dia. Ød (mm): 12 | Cutting dia. D (mm): 11.9 | Overall length L (mm): 83 | Thread length ℓ (mm): 19.96 | No. of flutes: 5.0 | Teeth: 11 | Bore dia. (mm): 1.33 | Grade: PC9060M
    STMS16159-EI11.5NPTThread: 1" | Pitch (tpi): 11.5 | Shank dia. Ød (mm): 16 | Cutting dia. D (mm): 15.9 | Overall length L (mm): 92 | Thread length ℓ (mm): 26.50 | No. of flutes: 5.0 | Teeth: 12 | Bore dia. (mm): 1.64 | Grade: PC9060M
    STMS16159-EI8NPTThread: 2 1/2" | Pitch (tpi): 8.0 | Shank dia. Ød (mm): 16 | Cutting dia. D (mm): 15.9 | Overall length L (mm): 92 | Thread length ℓ (mm): 38.10 | No. of flutes: 5.0 | Teeth: 12 | Bore dia. (mm): 2.42 | Grade: PC9060M

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