Other Holders
Boring Head Holders
- Constructed of alloy steel for long, durable service life.
- Hardened to RC 56-60 for long service life.
- Shiny taper with black oxide finish for the best combination of accuracy and durability.
- Parsymmetry™ design for high-speed operation.
- Plastic bumper protects spindle and holder during tool changes. Available on NMTB 40 and 50 arbors only.
1/2 - 20" BORING HEAD HOLDERS
| Part Number |
Taper Type |
B |
C |
G |
Thread |
Fit |
| C40-50BH1 |
CAT 40 |
1.75 |
.87 |
.57 |
1/2 - 20 |
Tapmatic |
5/8 - 18" BORING HEAD HOLDERS
| Part Number |
Taper Type |
B |
C |
G |
Thread |
Fit |
| C40-62BH1 |
CAT 40 |
1.25 |
1.50 |
.45 |
5/8 - 18 |
Bridgeport #1 Boring Head, Erickson #37 or #50 |
7/8 - 20" BORING HEAD HOLDERS
| Part Number |
Taper Type |
B |
C |
G |
Thread |
Fit |
| C40-87BH1 |
CAT 40 |
1.75 |
1.50 |
.44 |
7/8 - 20 |
Criterion Boring Head |
| C40-87BH188 |
CAT 40 |
1.75 |
1.88 |
.50 |
7/8 - 20 |
Criterion Boring Head |
| C50-87BH1 |
CAT 50 |
1.75 |
1.50 |
.44 |
7/8 - 20 |
Criterion Boring Head |
| N30-87BH1 |
NMTB 30 |
1.75 |
1.50 |
.44 |
7/8 - 20 |
Criterion Boring Head |
| N40-87BH1 |
NMTB 40 |
1.75 |
1.00 |
.44 |
7/8 - 20 |
Criterion Boring Head |
1 1/2 - 18" BORING HEAD HOLDERS
| Part Number |
Taper Type |
B |
C |
G |
Thread |
Fit |
| C40-15BH188 |
CAT 40 |
2.73 |
1.88 |
.56 |
1 1/2 - 18 |
Criterion Boring Head |
| C40-15BH2 |
CAT 40 |
2.75 |
2.00 |
.56 |
1 1/2 - 18 |
Criterion Boring Head |
| C50-15BH1 |
CAT 50 |
2.75 |
1.50 |
.50 |
1 1/2 - 18 |
Criterion Boring Head |
| N40-15BH1 |
NMTB 40 |
2.75 |
1.50 |
.50 |
1 1/2 - 18 |
Criterion Boring Head |
| N50-15BH1 |
NMTB 50 |
2.75 |
2.00 |
.50 |
1 1/2 - 18 |
Criterion Boring Head |
