Inch values are official. Aviation is designed and worked in inches. Millimetres are converted and are not official; where one is shown, the metric drill is the nearest alternative, not the official drill.
Specification
Where to buy| Item | Value |
|---|---|
| Type | Composite drill |
| Point | Sickle shape |
| Material | — |
| Use for | Aramid (Kevlar) |
| Do not use for | — |
A dash means the sources do not state it.
Sizes
The FAA sources give no sizes for this type; left blank. Rivet and bolt sizes are in the drill guide.
Notes
- The preferred style for a quality hole in aramid; a standard HSS drill cuts it, with poor hole quality.
Where to buy
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Distributors coming soon.
Sources
- FAA-H-8083-31, AMT Handbook, Airframe, Volume 1 (rev. A) — pp. 7-50, fig. 7-85 (p. 7-51)
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.