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| 2, 3 & 4 Spindle Heads in Different Capacities for Blackalloy™ Series 250 &350
Drill Units - Fixed Centers Also Available
Precision Adjustable
Multiple
Spindle Head Clamps on Quill and Driven by the Drill Unit
Spindle to Convert Single Spindle Drill to Precision Multiple
Drilling Unit For Close Center Applications
- Designed for use with Blackalloy's Self-Feeding Drill Units
- Drills Multiple and Different-Size Precision Holes Simultaneously
- Adjustable Centers and Variable Hole Patterns -- Mounts in Any Position
- Standard Nominal Maximum Stroke Lengths 1-1/2", 3" & 6"
- 2, 3, 4, 5 or More Spindles
- Positive Locking Spindles -- Hardened -- Equipped with Collets
- Self-Lubricating System
- Multi-Purpose Applications, other than Drilling
- In-Line and Fixed Center Models Available
- Supplied Factory Mounted to Blackalloy Drill Units, or Field Retrofittable
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Adjustable Twin Spindle Drill Head
| Model
# |
A (Min. C-C) |
B (Max. C-C) |
C (Max. Dia.) |
| 2C-T5 |
.532 |
2.89 |
3/16 |
| 2C-T7 |
.71 |
3.54 |
1/4 |
| 2C-T10 |
.867 |
4.17 |
3/8 |
| 2C-T16 |
1.42 |
6.45 |
5/8 |
| Dimensions
Drill Units (Inches) |
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Adjustable In-Line Three Spindle Drill Head
| Model
# |
A (Min. C-C) |
B (Max. C-C) |
C (Max. Dia.) |
| 3L-T5 |
.552 |
1.73 |
3/16 |
| 3L-T7 |
.788 |
2.20 |
1/4 |
| 3L-T10 |
.867 |
2.52 |
3/8 |
| 3L-T16 |
1.42 |
3.93 |
5/8 |
| Dimensions
Drill Units (Inches) |
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Adjustable Bolt Circle Three Spindle Drill Head
| Model
# |
A (Min. BCD) |
B (Max. BCD) |
C (Max. Dia.) |
| 3C-T5 |
.867 |
3.22 |
3/16 |
| 3C-T7 |
1.10 |
3.93 |
1/4 |
| 3C-T10 |
1.26 |
4.56 |
3/8 |
| 3C-T16 |
2.04 |
7.08 |
5/8 |
| Dimensions
Drill Units (Inches) |
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Adjustablee Bolt Circle Four Spindle Drill Head
| Model
# |
A (Min. BCD) |
B (Max. BCD) |
C (Max. Dia.) |
| 4C-T5 |
1.33 |
3.70 |
3/16 |
| 4C-T7 |
1.65 |
4.48 |
1/4 |
| 4C-T10 |
1.89 |
5.19 |
3/8 |
| 4C-T16 |
3.07 |
8.11 |
5/8 |
| Dimensions
Drill Units (Inches) |
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Series
8650, 8800 & 8950 for All Blackalloy™ Series 150 & 250
Drill Units
Precision Adjustable
Multiple
Spindle Head Clamps on Quill and Driven by the Drill Unit
Spindle to Convert Single Spindle Drill to Precision Multiple
Drilling Unit For Close Center Applications
- Designed for use with Blackalloy's Self-Feeding Drill Units
- Drills Multiple and Different-Size Precision Holes Simultaneously
- Adjustable Centers and Variable Hole Patterns -- Mounts in Any Position
- Standard Nominal Maximum Stroke Lengths 1-1/2", 3" & 6" or 2", 4" & 8" Optional Strokes
- 2, 3, 4, 5 or More Spindles
- Positive Locking Spindles -- Hardened, in Nitrided Steel -- Equipped with Collets
- Self-Lubricating System
- Multi-Purpose Applications, other than Drilling
- In-Line and Fixed Center Models Available
- Supplied Factory Mounted to Blackalloy Drill Units, or Field Retrofittable
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| Model
# |
Shank
A (Max) |
B
Center Distance |
C |
D |
E |
F |
G |
H |
| Min |
Max |
| 8402-150 |
.157 |
.38 |
2.13 |
2.83 |
2 |
1.45 |
5.98 |
.87 |
.04 |
| 8652-150 |
.250 |
.50 |
2.50 |
3.25 |
2.04 |
2 |
5.59 |
.94 |
.25 |
| 8802-150 |
.312 |
.625 |
3.12 |
4.00 |
2.50 |
2.42 |
5.91 |
1.16 |
.63 |
| 8802-250 |
.312 |
.625 |
3.12 |
4.00 |
2.50 |
2.42 |
7.09 |
1.16 |
.63 |
| 8952-150 |
.375 |
.75 |
3.75 |
4.88 |
3.03 |
2.69 |
7.50 |
1.38 |
1.06 |
| 8952-250 |
.375 |
.75 |
3.75 |
4.88 |
3.03 |
2.69 |
7.50 |
1.38 |
1.06 |
| Dimensions - Multiple Spindle Heads
(Inches) |
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| Model
# |
Max
Stroke |
J |
K |
L |
| 150
& 250-1.5 |
1.50 |
4.06 |
5.63 |
6.53 |
| 150
& 250-2 |
2.00 |
4.56 |
6.13 |
7.53 |
| 150
& 250-3 |
3.00 |
5.56 |
7.13 |
9.53 |
| 150
& 250-4 |
4.00 |
6.56 |
8.13 |
11.53 |
| 150
& 250-6 |
6.00 |
8.56 |
10.13 |
15.53 |
| 150
& 250-8 |
8.00 |
10.56 |
12.13 |
19.53 |
| Dimensions
Drill Units (Inches) |
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Examples
of Common Adjustable Multiple Spindle Heads
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Blackalloy Company of America • 4773 Northgate Blvd. • Myrtle Beach, SC 29577
Tel: (843) 347-3390 • Fax: (843)293-0851 |
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