- • 칩 장착 부위의 회로연결을 위한 Hole 가공하는 전용 소모성 공구
- • 지름은 0.05 ~ 0.35mm로 극소경화 추세

NS/NU/ES/EU PCB STANDARD DRILL BIT
MODEL | TYPE | SHANK DIAMETER | OVERALL LENGTH | ||
---|---|---|---|---|---|
NS | STRAIGHT | 3.175 | 0 -0.007 |
38.1 | 0.05~035±0.1 0.40~3.175+0.2/-0.1 |
NU | UNDERCUT | 3.175 | 38.1 | ||
ES | STRAIGHT | 2.0 | 31.75 | ||
EU | UNDERCUT | 2.0 | 31.75 |
SSB/SUN/SSE/SUE PCB SLOT DRILL BIT
MODEL | TYPE | SHANK DIAMETER | OVERALL LENGTH | ||
---|---|---|---|---|---|
SSN | STRAIGHT | 3.175 | 0 -0.007 |
38.1 | 0.05~035±0.1 0.40~3.175+0.2/-0.1 |
SUN | UNDERCUT | 3.175 | 38.1 | ||
SSE | STRAIGHT | 2.0 | 31.75 | ||
SUE | UNDERCUT | 2.0 | 31.75 |
RSN PCB REVERSE DRILL BIT
MODEL | TYPE | SHANK DIAMETER | OVERALL LENGTH | ||
---|---|---|---|---|---|
SSN | STRAIGHT | 3.175 | 0 -0.007 |
38.1 | 0.2/-0.1 |