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06/04/2006

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Screws

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    • Set Screws

    Oval Point

    Full Dog Point

    Cup and Flat Point

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    Fillister head

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    Hex Nut

    Spring Pins

    Drilled Hole Tolerances

    Minimum Surface Finishes for various feature tolerances

    Shoulder Screw Data

    Aluminum Rivet Data

     

    Sheet Metal and Wire Sizes

    Fractional and Decimal Equivalents

     

    Miniature Screws

    Drill Sizes

    Wrench Clearance Data

    Pipe Threads

    Minimum Bend Radii

     

     

     

     

     


     

     

    Screw Size Threads per Inch Stress area Tap Drill Decimal
    1 - UNF 12 .683 29/32 .906
    1 - UNC 8 .606 7/8 .875
    7/8 - UNF 14 .509 13/16 .8125
    7/8 - UNC 9 .462 19/64 .7656
    3/4 - UNF 16 .373 11/16 .6875
    3/4 - UNC 10 .334 41/64 .6406
    5/8 - UNF 18 .256 9/16 .562
    5/8 - UNC 11 .226 17/32 .5312
    1/2 - UNF 20 .1599 29/64 .4531
    1/2 - UNC 13 .1419 27/64 .4219
    7/16 - UNF 20 .1187 25/64 .3906
    7/16 - UNC 14 .1063 T .3580
    3/8 - UNF 24 .0878 Q .332
    3/8 - UNC 16 .0775 5/16 .3125
    5/16 - UNF 24 .0580 1 .272
    5/16 - UNC 18 .0524 F .2570
    1/4 - UNF 28 .0364 3 .213
    1/4 - UNC 20 .0318 7 .2010
    #10 - UNF 32 .0200 21 .159
    #10 - UNC 24 .0175 25 .1495
    #8 - UNF 36 .0147 29 .136
    #8 - UNC 32 .0140 29 .136
    #6 - UNF 40 .01015 33 .113
    #6 - UNC 32 .0090 32 .1065
    #5 - UNF 44 .0083 37 .104
    #5- UNC 40 .0080 38 .1015
    #4 - UNF 48 .0066 42 .0935
    #4 - UNC 40 .0060 43 .0890
    #3 - UNF 56 .0052 45 .082
    #3 - UNC 48 .0048 47 .0785
    #2 - UNF 64 .0039 50 .070
    #2 - UNC 56 .0037 50 .070
    #1 - UNF 72 .0027 53 .0595
    #1 - UNC 64 .0026 53 .0595
    #0 - UNF 80 .0018 3/64 .0469
             

     

    Screws and Fasteners

    http://www.lelandpowell.com/bolt_types.htm

    http://www.virtualforum.com/industrialhardware/

    http://www.thomasregisterdirectory.com/screws/flat_head_socket_head_cap_screws_0012263_1.html

    http://en.wikipedia.org/wiki/Bolted_joint

    http://en.wikipedia.org/wiki/Screw

     

     

    Bolt Head markings

    http://www.unified-eng.com/scitech/bolt/boltmarks.html

    http://www.unified-eng.com/scitech/bolt/headsize.html

    http://www.boltdepot.com/fastener-information/Bolt-Grade-Chart.aspx

    http://www.zerofast.com/markings.htm

     

    Types of Washers

    http://www.ahc-camberley.co.uk/ti_washers.htm

    http://www.machinedesign.com/BDE/FASTENING/bdefj4/bdefj4_9.html

    http://www.rsrfasteners.co.uk/rsrcatalogue/pages/page27.html

    http://www.astm.org/cgi-bin/SoftCart.exe/DATABASE.CART/REDLINE_PAGES/F436.htm?E+mystore

    http://en.wikipedia.org/wiki/Washer_%28mechanical%29

     

     

    Nuts

    http://en.wikipedia.org/wiki/Nut_%28hardware%29

     

     

    Aircraft Hardware

    http://www.zenithair.com/kit-data/ra/hardware.html

     

    Rivets

    http://www.rvproject.com/rivets.html

    http://www.technologystudent.com/joints/rivet1.htm

    http://www.aoe.vt.edu/research/collaborative/mad/academics/projects/rivet/type.htm

    http://www.zenithair.com/kit-data/ht-86-12.html

    http://www.answers.com/topic/rivet

    http://www.rivetsinstock.com/

     

     

    Taps and Dies

    http://en.wikipedia.org/wiki/Taps_and_Dies#Tap

     

     

    Tools

    http://www.northstate.com/skilbosch/en-us/front.html

    http://www.acehardware.com/sm-screwdrivers--bg-1266832.html

    More to come...

     

     


     

     

    		  

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