Starrett High-Accuracy Combination Square Heads
Attach to Starrett High-Accuracy Combination Square Blades with the included lockbolts.
Square head checks 90° angles. Center head identifies the center on pipes, rods, and shafts. Protractor head measures angles.
Square Head
Center Head
Protractor Head
Protractor | |||||
|---|---|---|---|---|---|
| Component | For Blade Lgs. | Angle Measuring Range | Graduation Marks (Numeric Increments) | Each | |
Cast Iron | |||||
| Square Head | 4" | __ | __ | 0000000 | 000000 |
| Square Head with Built-in Level | 6" | __ | __ | 0000000 | 00000 |
| Square Head with Built-in Level | 12"-48" | __ | __ | 0000000 | 00000 |
| Center Head | 4" | __ | __ | 0000000 | 00000 |
| Center Head | 6" | __ | __ | 0000000 | 00000 |
| Center Head | 12"-48" | __ | __ | 0000000 | 00000 |
| Nonreversible Protractor Head with Built-in Level | 12"-48" | 0°-180° | 1° (10°) | 0000000 | 000000 |
| Reversible Protractor Head with Built-in Level | 12"-48" | 0°-180° | 1° (10°) | 0000000 | 000000 |
High-Accuracy Combination Square Heads
Square Head
Center Head
Protractor Head
Attach to High-Accuracy Combination Square Blades with the included lockbolts.
Square head checks 90° angles.
Center head identifies the center on pipes, rods, and shafts.
Protractor head measures angles.
Cast iron heads are durable, so they resist dents and scratches. However, they corrode more easily than zinc heads. Hardened cast iron heads are more durable and last longer than cast iron heads.
Combination Square Heads | |||||||
|---|---|---|---|---|---|---|---|
Protractor | Replacement Lockbolts | ||||||
| Component | For Blade Lgs. | Angle Measuring Range | Graduation Marks (Numeric Increments) | Each | Each | ||
Cast Iron | |||||||
| Square Head with Built-in Level | 12"-24" | __ | __ | 00000000 | 000000 | 00000000 | 00000 |
| Center Head | 12"-24" | __ | __ | 00000000 | 00000 | 00000000 | 0000 |
| Reversible Protractor Head | 12"-24" | 0°-180° | 1° (10°) | 00000000 | 00000 | 00000000 | 0000 |
Hardened Cast Iron | |||||||
| Square Head with Built-in Level | 12"-24" | __ | __ | 00000000 | 00000 | 00000000 | 0000 |
| Center Head | 12"-24" | __ | __ | 00000000 | 00000 | 00000000 | 0000 |