Standard Metric Hex Bolt Sizes and Thread Pitches

1 Standard Metric Hex Bolt Sizesand Thread PitchesScale Check: After printing, measure ruler above to ensure correct scale fastener shoppingmade easy0123456 inchesCopyright 2000-2007 Bolt Depot Inc. PRINTABLE FASTENER TOOLS SERIES4mm x x x x x x x x x x x x x x x x (Note: Head Sizes may differ from what is shows due to differences between Metric standards)mm102030405060708090100 Measure length from under the head to the end of the Metric Machine Screw SizesScale Check: After printing, measure ruler above to ensure correct scale fastener shoppingmade easy0123456 inchesCopyright 2000-2007 Bolt Depot Inc. PRINTABLE FASTENER TOOLS SERIES4mm x x x x Pan Head -Measure length from under the head to the end of the Flat Head -Measure length from the top of the head to the end of the Type Chart fastener shoppingmade easyCopyright 2000-2010 Bolt Depot Inc.

2 PRINTABLE FASTENER TOOLS SERIESF astener CategoriesWood ScrewsMachine ScrewsThread CuttingMachine ScrewsSheet Metal ScrewsSelf Drilling SMSS crews with a smooth shank and tapered point for use in wood. Abbreviated WSScrews with threads for use with a nut or tapped hole. Abbreviated MSMachine screws with a Thread cutting (self tapping) point. Fully threaded screws with a point for use in sheet metal. Abbreviated SMSA sheet metal screw with a self drilling BoltsCarriage BoltsLag BoltsSet ScrewsBolts with a hexagonal head with threads for use with a nut or tapped hole. Abbreviated HHMB or with a smooth rounded head that has a small square section with a wood Thread and pointed tip. Abbreviated screws with no head for screwing all the way into threaded ScrewsEye BoltsEye LagsU-BoltsSocket screws, also known as Allen Head, are fastened with a hex Allen bolt with a circular ring on the head end.

3 Used for attaching a rope or BoltsJ shaped bolts are used for tie-downs or as an open eye bolts (also known as stripper bolts) are used to create a pivot BoltsElevator bolts are often used in conveyor systems. They have a large, flat to an eye bolt but with wood threads instead of machine in U shape for attaching to pipe or other round surfaces. Also available with a square Type Chart fastener shoppingmade easyCopyright 2000-2010 Bolt Depot Inc. PRINTABLE FASTENER TOOLS SERIESHead StylesFlatA countersunk head with a flat FHOvalA countersunk head with a rounded OH or OVPanA slightly rounded head with short vertical PNTrussAn extra wide head with a rounded domed RHHexA hexagonal headAbbreviated HH or HXSocket CapA small cylindrical head using a socket low-profile rounded head using a socket WasherA hex head with built in Hex WasherA hex head with built in washer and a Categories (continued)Mating ScrewsMating screws have a shoulder that matches the diameter of the sex bolts they are used BoltsSex bolts ( barrel nuts or Chicago bolts)

4 Have a female Thread and are used for through bolting applications where a head is desired on both sides of the BoltsHanger bolts have wood Thread on one end and machine Thread on the other endFastener Type Chart fastener shoppingmade easyCopyright 2000-2010 Bolt Depot Inc. PRINTABLE FASTENER TOOLS SERIESD rive TypesPhillips and FrearsonAn X-shaped PHOne WayInstalls with a normal slotted driver but can not be removed without special known as Robertson SQ or SD. TorxA six-pointed star pattern, specifically designed to prevent cam-out and stripped slot in the SLCombinationA combination of slotted and Phillips comboSocket, Hex or AllenA hexagonal hole for use with an Allen TypesFlatA flat washer, used to distribute load.

5 Available in SAE, USS and other oversize flat washer used to further distribute load especially on soft washer used to obtain a finished look. Usually used with oval head LockThe most common style of washer used to prevent nuts and bolts from backing Tooth LockA washer with external teeth . Used to prevent nuts and bolts from backing , large diameter, cast iron washers with a curved or sculpted appearance. Typically used in dock and wood Tooth LockA washer with internal teeth . Used to prevent nuts and bolts from backing square shaped washers have a larger outside diameter and are thicker than Type Chart fastener shoppingmade easyCopyright 2000-2010 Bolt Depot Inc. PRINTABLE FASTENER TOOLS SERIESNut TypesHexA six sided nut.

6 Also referred to as a Finished Hex HexA heavier pattern version of a Standard hex Insert LockA nut with a nylon insert to prevent backing off. Also referred to as a hex nut with a reduced Insert Jam LockA nylock nut with a reduced nut with wings for hand nut with a domed top over the end of the nuts are a high crown type of cap nut, used for nut with a built in washer like nut designed to be driven into wood to create a threaded nuts are long nuts used to connect pieces of threaded rod or other male four sided Torque LockA non-reversible lock nut used for high temperature or KepA nut with an attached free-spinning external tooth lock nuts are used in conjunction with a cotter pin on drilled shank fasteners to prevent nuts are used in conjunction with a cotter pin on drilled shank fasteners to prevent and Metric Thread SizesScale Check: After printing, measure ruler above to ensure correct scale fastener shoppingmade easy0123456 inchesCopyright 2000-2007 Bolt Depot Inc.

7 PRINTABLE FASTENER TOOLS SERIESUS Thread SizesMetric Thread Pitches7 mm8 tpi9 tpi10 tpi11 tpi12 tpi13 tpi14 tpi16 tpi18 tpi20 tpi24 tpi28 tpi32 tpi40 tpiStandard US Hex Bolt Sizesand Thread PitchesScale Check: After printing, measure ruler above to ensure correct scale fastener shoppingmade easy0123456 inchesCopyright 2000-2010 Bolt Depot Inc. PRINTABLE FASTENER TOOLS SERIES1/4 -201/4 -285/16 -185/16 -243/8 -163/8 -241/2 -131/2 -209/16 -129/16 -185/8 -115/8 -187/16 -147/16 -20 Coarse ThreadFine ThreadStandard US Machine Screw SizesScale Check: After printing, measure ruler above to ensure correct scale fastener shoppingmade easy0123456 inchesCopyright 2000-2007 Bolt Depot Inc. PRINTABLE FASTENER TOOLS SERIES4 -406 -328 -3210 -3210 -2412 -241/4 -205/16 -183/8 -16