Precision Twist Drill 059121 501-12 #21 PTD 12AC 135SP TYPE B HSS BLK
Aircraft Drill Bits
74650
MFG #: 059121
Dormer Pramet
12.48000
/ ea
- Applicable Materials: Plain Carbon Steel, Alloy Steel/Hardened and Tempered Steel, Free Machining Stainless Steel, Austenitic, Ferritic + Austenitic, Martensitic, Lamellar Graphite, Nodular Graphite/Malleable Cast Iron, Unalloyed Titanium, Alloyed Titanium, Nickel
- Catalog Number: 059121
- Country of Origin: BR
- Cutting Depth: 4XD
- Cutting Direction: Right Hand
- Cutting Edge Material: HSS
- Finish: Steam Oxide
- Flute Length: 2-1/8 in
- Flute Type: Spiral
- Gross Weight Per Pack: 0.0600 lb
- Number of Flutes: 2
- Overall Length: 12 in
- Point Type: Self-Centering/Split
- Series: 501-12
- Shank Size: 0.159 in
- Shank Type: Straight
- Standards: ANSI Specified, NAS 907
- Type: Type B Extra Length Heavy Duty
- UPC 11: 08607159121
- Stock Status: NONSTOCK
- Brand: Dormer Pramet
- Manufacturer: Dormer Pramet
- Drill Size ~ Wire: #21
- Material: HSS
- Point Angle: 135 °
PREC 059121 501-12 #21 12AC 135SP TYPE B HSS BLK
- Features
| High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and non-ferrous materials |
| Oxide prevents chip building, galling and welding on the work piece, it is commonly used on low carbons, stainless steel and ferrous metals web thinned |
| Tapered web configuration |
| No coolant channe |