Difference between revisions of "Threaded Fasteners"
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| − | == | + | See Carroll Smith's ''Screw to Win'' |
| − | === | + | =Standards= |
| − | ==== | + | ==Metric== |
| − | ==== | + | ===ISO=== |
| − | ==== | + | ===DIN=== |
| − | === | + | ===JIS=== |
| − | ==Fastener Characteristics (how to choose) | + | ==Inch== |
| + | ===SAE=== | ||
| + | [grades, charts, etc...] | ||
| + | ===AN=== | ||
| + | =Screw Types= | ||
| + | ==Hex Head== | ||
| + | ==Twelve Point== | ||
| + | ==Socket Head== | ||
| + | aka Allen® head | ||
| + | ==Shoulder Screw== | ||
| + | ==Set Screw== | ||
| + | =Nut Types= | ||
| + | ==Deez Nutz== | ||
| + | ===Hex Nut=== | ||
| + | ===Weld Nut / Riv-Nut=== | ||
| + | ==Locknut== | ||
| + | Locknuts <u>resist</u> loosening. Other methods can be used to resist loosening: [[Washer#Lock washer|lock washers]], [[Safety Wire|safety wire]], [[Locking Adhesive|locking adhesive]], or design. | ||
| + | ===Jam Nut=== | ||
| + | ===Nylon Lock=== | ||
| + | ===Distorted Thread=== | ||
| + | ====Jet/K Nut==== | ||
| + | great in high temperature environments. see brakes | ||
| + | ===Castle Nut=== | ||
| + | ==Threaded Insert== | ||
| + | =Fastener Characteristics (how to choose)= | ||
* Initial Tensioning | * Initial Tensioning | ||
| Line 13: | Line 37: | ||
* Maintenance schedule | * Maintenance schedule | ||
| − | + | =Torque Tension Calcs= | |
| + | =Further Reading= | ||
| + | |||
| + | * [https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900009424.pdf NASA Fastener Design Manual] | ||
| + | * Carroll Smith's ''Screw to Win'' | ||
| + | |||
[[category:Fasteners]] | [[category:Fasteners]] | ||
Revision as of 14:50, 21 May 2020
See Carroll Smith's Screw to Win
Contents
Standards
Metric
ISO
DIN
JIS
Inch
SAE
[grades, charts, etc...]
AN
Screw Types
Hex Head
Twelve Point
Socket Head
aka Allen® head
Shoulder Screw
Set Screw
Nut Types
Deez Nutz
Hex Nut
Weld Nut / Riv-Nut
Locknut
Locknuts resist loosening. Other methods can be used to resist loosening: lock washers, safety wire, locking adhesive, or design.
Jam Nut
Nylon Lock
Distorted Thread
Jet/K Nut
great in high temperature environments. see brakes
Castle Nut
Threaded Insert
Fastener Characteristics (how to choose)
- Initial Tensioning
- Initial Tightening Force
- Brings bolt close to "proof load"
- Deformation of threads (pic)
- Maintenance schedule
Torque Tension Calcs
Further Reading
- NASA Fastener Design Manual
- Carroll Smith's Screw to Win
