What is the torque on a 3 8?
SAE Grade 2
| Bolt Size | TPI | Tightening Torque (ft lbs) |
|---|---|---|
| Plain | ||
| 5⁄16 | 18 | 11 |
| 3⁄8 | 16 | 20 |
| 7⁄16 | 14 | 32 |
What size drill bit do you use for a 3/8 tap?
| Nominal Size (inches) | T P I | Tapping Drill Size |
|---|---|---|
| 1/4 | 19 | 7/16″ |
| 3/8 | 19 | 14.75mm |
| 37/64″ | ||
| 1/2 | 14 | 18.25mm |
What is the torque on a 14mm bolt?
Metric Recommended Bolt Torque
| Bolt Diameter (mm) | Recommended Torque (Nm) | |
|---|---|---|
| Class 8.8 | Class 10.9 | |
| 12 | 100 | 135 |
| 14 | 160 | 215 |
| 16 | 245 | 335 |
How much torque can a 3/8 grade 8 bolt take?
Tightening Torque Guide for Grade 5 & 8 Hex Cap Screws
| GRADE 5 | GRADE 8 | |
|---|---|---|
| Coarse Thread | Coarse Thread | |
| 1/4-20 (.250) | 2025 | 1/4-20 (.250) |
| 5/16-18 (.3125) | 3338 | 5/16-18 (.3125) |
| 3/8-16 (.375) | 4950 | 3/8-16 (.375) |
What drill is used to tap a 3/8-16 hole?
Most drill charts recommend a 5/16 drill for a 3/8-16 bolt.
What size drill bit is 3 16?
| Drill Bit Hole Diameters | ||
|---|---|---|
| Metric Size | Fractional Size | |
| 1 mm | .0394 | 5/32 |
| 2 mm | .0787 | 11/64 |
| 3 mm | .1181 | 3/16 |
What is the torque for a 8mm bolt?
Typical maximum recommended thightening torques for metric bolts.
| Size (mm) | Typical Maximum Tightening Torque (Nm) | |
|---|---|---|
| Property Class | ||
| M8 | 28.8 | 32.3 |
| M10 | 57.3 | 64.1 |
| M12 | 99.8 | 112 |
What is the torque spec on a 8mm bolt?
22Nm
For bolts with a 8mm Thread Diameter: 22Nm. For bolts with a 10mm Thread Diameter: 25Nm.
How do you measure torque with a torque wrench?
How to Measure a Torque Wrench
- Locate the number on the top of the bolt. Some torque bolts will have an accompanying nut.
- Look up the bolt’s number in the reference book.
- Spin the torque wrench’s handle to the correct number of foot pounds.
- Use the torque wrench as you would a normal ratchet.
How much more torque do I need for my tap?
Dull taps require approximately 50% more torque. For 55% and 75% thread heights, multiply above values by .75 and 1.25 respectively. Torque values for helical flute taps are approximately 70% of those shown. Torque values for chip drive taps are approximately 60% of those shown.
What are the dimensions of a self tapping screw?
82° Flat Head Dimensions Self- Tapping Screws T 80˚ 82˚ H J M A N R N M G F Protrusion gage Edge of head may be rounded or flat A A Amin FLAT HEADS FOR SELF-TAPPING-Size Types
What is the speed of tap in rpm?
TAPPING SPEEDS RPM = 3.82 x SFM Tapping speeds are Tap Diameter for general purpose taps. Consult tap FEED (IPR) = 1 manufacturer for Pitch high geometry taps. FEED (IPM) = Feed (IPR) x Speed (RPM)