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    Korloy Thread Mill UNJ Internal STMHC

    Korloy Thread Mill UNJ Internal STMHC

    Solid carbide thread mill for UNJ internal threads (MIL-S-8879C, class 3B), helical flutes with thru-hole coolant.

    Key features

    • Solid carbide
    • Grade PC9070M

    Specifications

    Grade PC9070M
    STMHC04027L07-I32UNJ PC9070M Thread UNJC: 0.138"(#6) | Thread UNJF: 0.190"(#10) | Thread UNFEF/UNJ: 0.216(#12)/0.4375(7/16") | Pitch (tpi): 32 | Shank d (mm): 4 | D (mm): 2.7 | L (mm): 45 | l1 (mm): 7.1 | l2 (mm): 7.5 | Flutes: 3 | Teeth: 9 | Grade: PC9070M | Stock: No mark
    STMHC06054L13-I28UNJ PC9070M Thread UNJF: 0.250"(1/4") | Thread UNFEF/UNJ: 0.4375"(7/16")/0.5625"(9/16") | Pitch (tpi): 28 | Shank d (mm): 6 | D (mm): 5.4 | L (mm): 57 | l1 (mm): 12.7 | l2 (mm): 13.1 | Flutes: 3 | Teeth: 14 | Bore dia. (mm): 5.60 | Grade: PC9070M | Stock: No mark
    STMHC04037L09-I24UNJ PC9070M Thread UNJC: 0.190"(#10) | Thread UNJF: 0.3125"(5/16") | Thread UNFEF/UNJ: 0.5625"(9/16")/- | Pitch (tpi): 24 | Shank d (mm): 4 | D (mm): 3.7 | L (mm): 45 | l1 (mm): 9.5 | l2 (mm): 10.0 | Flutes: 3 | Teeth: 9 | Grade: PC9070M | Stock: No mark
    STMHC08067L15-I24UNJ PC9070M Thread UNJF: 0.3125"(5/16") | Thread UNFEF/UNJ: 0.5625"(9/16")/- | Pitch (tpi): 24 | Shank d (mm): 8 | D (mm): 6.7 | L (mm): 61 | l1 (mm): 15.9 | l2 (mm): 16.4 | Flutes: 3 | Teeth: 15 | Bore dia. (mm): 7.00 | Grade: PC9070M | Stock: No mark
    STMHC06050L12-I20UNJ PC9070M Thread UNJC: 0.250"(1/4") | Thread UNJF: 0.4375"(7/16") | Thread UNFEF/UNJ: 0.750"(3/4")/0.3125"(5/16") | Pitch (tpi): 20 | Shank d (mm): 6 | D (mm): 5.0 | L (mm): 57 | l1 (mm): 12.7 | l2 (mm): 13.3 | Flutes: 3 | Teeth: 10 | Grade: PC9070M | Stock: No mark
    STMHC10096L21-I20UNJ PC9070M Thread UNJF: 0.4375"(7/16") | Thread UNFEF/UNJ: 0.750"(3/4")/0.5625"(9/16") | Pitch (tpi): 20 | Shank d (mm): 10 | D (mm): 9.6 | L (mm): 73 | l1 (mm): 21.6 | l2 (mm): 22.2 | Flutes: 4 | Teeth: 17 | Bore dia. (mm): 10.00 | Grade: PC9070M | Stock: No mark
    STMHC08064L15-I18UNJ PC9070M Thread UNJC: 0.3125"(5/16") | Thread UNJF: 0.5625"(9/16") | Thread UNFEF/UNJ: 1.0625"(1 1/16")/- | Pitch (tpi): 18 | Shank d (mm): 8 | D (mm): 6.4 | L (mm): 61 | l1 (mm): 15.5 | l2 (mm): 16.2 | Flutes: 3 | Teeth: 11 | Grade: PC9070M | Stock: No mark
    STMHC08077L19-I16UNJ PC9070M Thread UNJC: 0.375"(3/8") | Thread UNJF: 0.750"(3/4") | Thread UNFEF/UNJ: -/0.4375"(7/16") | Pitch (tpi): 16 | Shank d (mm): 8 | D (mm): 7.7 | L (mm): 61 | l1 (mm): 19.1 | l2 (mm): 19.8 | Flutes: 3 | Teeth: 12 | Grade: PC9070M | Stock: No mark
    STMHC10092L21-I14UNJ PC9070M Thread UNJC: 0.4375"(7/16") | Thread UNJF: 0.875"(7/8") | Pitch (tpi): 14 | Shank d (mm): 10 | D (mm): 9.2 | L (mm): 73 | l1 (mm): 21.8 | l2 (mm): 22.7 | Flutes: 4 | Teeth: 12 | Bore dia. (mm): 9.50 | Grade: PC9070M | Stock: No mark
    STMHC10099L25-I13UNJ PC9070M Thread UNJC: 0.500"(1/2") | Pitch (tpi): 13 | Shank d (mm): 10 | D (mm): 9.9 | L (mm): 73 | l1 (mm): 25.4 | l2 (mm): 26.4 | Flutes: 4 | Teeth: 13 | Bore dia. (mm): 11.00 | Grade: PC9070M | Stock: No mark
    Thread MillsKorloy
    10 product codes available in this family
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    Korloy Thread Mill UNJ Internal STMHC

    Brand Korloy·Thread Mills

    Available part numbers (10)

    STMHC04027L07-I32UNJ PC9070M, STMHC06054L13-I28UNJ PC9070M, STMHC04037L09-I24UNJ PC9070M, STMHC08067L15-I24UNJ PC9070M, STMHC06050L12-I20UNJ PC9070M, STMHC10096L21-I20UNJ PC9070M, STMHC08064L15-I18UNJ PC9070M, STMHC08077L19-I16UNJ PC9070M, STMHC10092L21-I14UNJ PC9070M, STMHC10099L25-I13UNJ PC9070M

    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.

    RFQ List 0 →
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    Product codes & specifications
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    RFQ List (0)
    Product codeSpec
    STMHC04027L07-I32UNJ PC9070MThread UNJC: 0.138"(#6) | Thread UNJF: 0.190"(#10) | Thread UNFEF/UNJ: 0.216(#12)/0.4375(7/16") | Pitch (tpi): 32 | Shank d (mm): 4 | D (mm): 2.7 | L (mm): 45 | l1 (mm): 7.1 | l2 (mm): 7.5 | Flutes: 3 | Teeth: 9 | Grade: PC9070M | Stock: No mark
    STMHC06054L13-I28UNJ PC9070MThread UNJF: 0.250"(1/4") | Thread UNFEF/UNJ: 0.4375"(7/16")/0.5625"(9/16") | Pitch (tpi): 28 | Shank d (mm): 6 | D (mm): 5.4 | L (mm): 57 | l1 (mm): 12.7 | l2 (mm): 13.1 | Flutes: 3 | Teeth: 14 | Bore dia. (mm): 5.60 | Grade: PC9070M | Stock: No mark
    STMHC04037L09-I24UNJ PC9070MThread UNJC: 0.190"(#10) | Thread UNJF: 0.3125"(5/16") | Thread UNFEF/UNJ: 0.5625"(9/16")/- | Pitch (tpi): 24 | Shank d (mm): 4 | D (mm): 3.7 | L (mm): 45 | l1 (mm): 9.5 | l2 (mm): 10.0 | Flutes: 3 | Teeth: 9 | Grade: PC9070M | Stock: No mark
    STMHC08067L15-I24UNJ PC9070MThread UNJF: 0.3125"(5/16") | Thread UNFEF/UNJ: 0.5625"(9/16")/- | Pitch (tpi): 24 | Shank d (mm): 8 | D (mm): 6.7 | L (mm): 61 | l1 (mm): 15.9 | l2 (mm): 16.4 | Flutes: 3 | Teeth: 15 | Bore dia. (mm): 7.00 | Grade: PC9070M | Stock: No mark
    STMHC06050L12-I20UNJ PC9070MThread UNJC: 0.250"(1/4") | Thread UNJF: 0.4375"(7/16") | Thread UNFEF/UNJ: 0.750"(3/4")/0.3125"(5/16") | Pitch (tpi): 20 | Shank d (mm): 6 | D (mm): 5.0 | L (mm): 57 | l1 (mm): 12.7 | l2 (mm): 13.3 | Flutes: 3 | Teeth: 10 | Grade: PC9070M | Stock: No mark
    STMHC10096L21-I20UNJ PC9070MThread UNJF: 0.4375"(7/16") | Thread UNFEF/UNJ: 0.750"(3/4")/0.5625"(9/16") | Pitch (tpi): 20 | Shank d (mm): 10 | D (mm): 9.6 | L (mm): 73 | l1 (mm): 21.6 | l2 (mm): 22.2 | Flutes: 4 | Teeth: 17 | Bore dia. (mm): 10.00 | Grade: PC9070M | Stock: No mark
    STMHC08064L15-I18UNJ PC9070MThread UNJC: 0.3125"(5/16") | Thread UNJF: 0.5625"(9/16") | Thread UNFEF/UNJ: 1.0625"(1 1/16")/- | Pitch (tpi): 18 | Shank d (mm): 8 | D (mm): 6.4 | L (mm): 61 | l1 (mm): 15.5 | l2 (mm): 16.2 | Flutes: 3 | Teeth: 11 | Grade: PC9070M | Stock: No mark
    STMHC08077L19-I16UNJ PC9070MThread UNJC: 0.375"(3/8") | Thread UNJF: 0.750"(3/4") | Thread UNFEF/UNJ: -/0.4375"(7/16") | Pitch (tpi): 16 | Shank d (mm): 8 | D (mm): 7.7 | L (mm): 61 | l1 (mm): 19.1 | l2 (mm): 19.8 | Flutes: 3 | Teeth: 12 | Grade: PC9070M | Stock: No mark
    STMHC10092L21-I14UNJ PC9070MThread UNJC: 0.4375"(7/16") | Thread UNJF: 0.875"(7/8") | Pitch (tpi): 14 | Shank d (mm): 10 | D (mm): 9.2 | L (mm): 73 | l1 (mm): 21.8 | l2 (mm): 22.7 | Flutes: 4 | Teeth: 12 | Bore dia. (mm): 9.50 | Grade: PC9070M | Stock: No mark
    STMHC10099L25-I13UNJ PC9070MThread UNJC: 0.500"(1/2") | Pitch (tpi): 13 | Shank d (mm): 10 | D (mm): 9.9 | L (mm): 73 | l1 (mm): 25.4 | l2 (mm): 26.4 | Flutes: 4 | Teeth: 13 | Bore dia. (mm): 11.00 | Grade: PC9070M | Stock: No mark

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