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  • METAL WOOD DOWEL SCREWS/HANGER BOLTS Torx Drive

    • METAL WOOD DOWEL SCREWS/HANGER..

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  • Nail screws/Screw Nails Series Pozi drive ovel countersunk head For Nylon Hammer Anchor

    • Nail screws/Screw Nails Series..

    Model:

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  • Wood screws/Dowel Series 2 for Nylon Anchors

    • Wood screws/Dowel Series 2 for..

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  • Wood screws/Dowel Series 1 for Nylon Anchors

    • Wood screws/Dowel Series 1 for..

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  • Wood screws/Dowel for Nylon Anchors Extra Length Torx Drive Countersunk Head 7x265

    • Wood screws/Dowel for Nylon An..

    Model:

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  • Wood screws/Dowel for Nylon Anchors Extra Length Pozi Drive Countersunk Head 5x315

    • Wood screws/Dowel for Nylon An..

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  • Wood screws/Dowel for Nylon Anchors A2 A4 Stainless Steel Hexagon Head Wood Screws 7xL

    • Wood screws/Dowel for Nylon An..

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  • Nail screws/Umbrella Teeth Screw Pozi Countersunk A2 A4

    • Nail screws/Umbrella Teeth Scr..

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  • Nail screws/Umbrella Teeth Screw Pozi drive countersunk head round raised

    • Nail screws/Umbrella Teeth Scr..

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  • Nail screws/Umbrella Teeth Screw Pozi drive ovel countersunk head

    • Nail screws/Umbrella Teeth Scr..

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  • Nail screws/Umbrella Teeth Screw Pozi drive countersunk head

    • Nail screws/Umbrella Teeth Scr..

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  • DRY WALL SCREWS TYPE PHILLIPS RECESSED BUGLE HEAD TWINFAST

    • DRY WALL SCREWS TYPE PHILLIPS ..

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  • Extra Long Screws and Bolts Hexagon Flange Countersunk Torx Pozi

    • Extra Long Screws and Bolts He..

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  • Gravity toggles

    • Gravity toggles

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  • METAL FRAME ANCHOR

    • METAL FRAME ANCHOR

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  • Sleeve Anchor With Hex Flange Nut & Flat Nut

    • Sleeve Anchor With Hex Flange ..

    Model:With Hex Flange Nut & Flat Nut

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  • METAL WOOD DOWEL SCREWS/HANGER BOLTS Torx Drive

    • METAL WOOD DOWEL SCREWS/HANGER BOLTS Torx Drive

    Model:

    Brand:
  • Nail screws/Screw Nails Series Pozi drive ovel countersunk head For Nylon Hammer Anchor

    • Nail screws/Screw Nails Series Pozi drive ovel cou..

    Model:

    Brand:
  • Wood screws/Dowel Series 2 for Nylon Anchors

    • Wood screws/Dowel Series 2 for Nylon Anchors

    Model:

    Brand:
  • Wood screws/Dowel Series 1 for Nylon Anchors

    • Wood screws/Dowel Series 1 for Nylon Anchors

    Model:

    Brand:
  • Wood screws/Dowel for Nylon Anchors Extra Length Torx Drive Countersunk Head 7x265

    • Wood screws/Dowel for Nylon Anchors Extra Length T..

    Model:

    Brand:
  • Wood screws/Dowel for Nylon Anchors Extra Length Pozi Drive Countersunk Head 5x315

    • Wood screws/Dowel for Nylon Anchors Extra Length P..

    Model:

    Brand:
  • Wood screws/Dowel for Nylon Anchors A2 A4 Stainless Steel Hexagon Head Wood Screws 7xL

    • Wood screws/Dowel for Nylon Anchors A2 A4 Stainles..

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  • Nail screws/Umbrella Teeth Screw Pozi Countersunk A2 A4

    • Nail screws/Umbrella Teeth Screw Pozi Countersunk..

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    Brand:
  • Nail screws/Umbrella Teeth Screw Pozi drive countersunk head round raised

    • Nail screws/Umbrella Teeth Screw Pozi drive counte..

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    Brand:
  • Nail screws/Umbrella Teeth Screw Pozi drive ovel countersunk head

    • Nail screws/Umbrella Teeth Screw Pozi drive ovel c..

    Model:

    Brand:
  • Nail screws/Umbrella Teeth Screw Pozi drive countersunk head

    • Nail screws/Umbrella Teeth Screw Pozi drive counte..

    Model:

    Brand:
  • DRY WALL SCREWS TYPE PHILLIPS RECESSED BUGLE HEAD TWINFAST

    • DRY WALL SCREWS TYPE PHILLIPS RECESSED BUGLE HEAD ..

    Model:

    Brand:
  • Extra Long Screws and Bolts Hexagon Flange Countersunk Torx Pozi

    • Extra Long Screws and Bolts Hexagon Flange Counter..

    Model:

    Brand:
  • Gravity toggles

    • Gravity toggles

    Model:

    Brand:
  • METAL FRAME ANCHOR

    • METAL FRAME ANCHOR

    Model:

    Brand:
  • Sleeve Anchor With Hex Flange Nut & Flat Nut

    • Sleeve Anchor With Hex Flange Nut & Flat Nut

    Model:With Hex Flange Nut & Flat Nut

    Brand:

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    Home >Fasteners > BOLTS & SCREWS > Round Head Square Neck
    Round Head Square Neck

    ROUND HEAD SQUARE HECK BOLTS IFI C-40

    • Model
    • Brand
    • Price

    Detailed

    Fastener|Nailscrews|Cage Nuts|Stamping Parts

    Unit：inches

     

    Thread size

    1/4

    5/16

    3/8

    Thread per inch

    20

    18

    16

    dk

    0.594

    0.719

    0.844

    f

    0.156

    0.187

    0.219

    k

    0.145

    0.176

    0.208

    v

    0.260

    0.324

    0.388

    L

    1 1/2-4

    1 3/4-4

    2-4

     

     

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