Titanium-Nitride Step Drills
• Titanium nitride coating creates a surface hardness that makes these tools last 4 to 5 times longer than ordinary drill bits
• Surface coating also reduces friction, resulting in a tool that runs cooler while running dry
| Stock No. |
Size Range |
Increments |
Shank Size,
inches (mm) |
Hole Sizes
Per Bit |
Length,
inches |
| YA1TA |
1/8–1/2" |
1/32" |
1/4 (6.5) |
3 |
3-1/4 |
| YA2TA |
3/16–1/2" |
1/16" |
1/4 (6.5) |
6 |
3-1/4 |
| YA4TA |
3/16–7/8" |
1/16" |
3/8 (10) |
12 |
3 |
| YA1MTA |
4–12 mm |
1 mm |
1/4 (6.5) |
9 |
3-1/4 |
| YA3MTA |
6–18 mm |
2 mm |
3/8 (10) |
7 |
2-5/8 |
| YA4MTA |
4–22 mm |
2 mm |
3/8 (10) |
10 |
3 |
| YA5MTA |
5–35 mm |
2-3 mm |
1/2 (13) |
13 |
3-3/32 |
