Blades
Starrett
Band Saw Blades
Production Ferrous Sawing
Powerband M-42
Powerband Varihook
Powerband Pulsator
Carbide Tipped Band Saw Blades
Production Nonferrous Sawing
Power Matrix 2
Powerband M-42
Powerband Varihook
Carbide Tipped Bandsaw Blades
Multi-Purpose Applications
Power Matrix 2
Power Matrix 2 Heavy Set
Premium Hardback
Flex-Back Bandsaw Blades
Woodpecker Premium GT
Friction Cutting Blade
Portable Bandsaw
Specialty Saw Blades
Carbide Grit
Carbide Grit Bands
Jig Saw Blades
Reciprocating Saw Blades
Hand Hack Saw Blades & Frames
Power Hack Saw Blades
Hole Saws, Accesories and Kits
Specialty Tools
Blade Alignment Gage
Bandsaw Accessories Tension Gage
Electronic Digital Micrometers
Electronic Tachometer
Blade Speed & Feed Slight Chart
Measuring Tapes
Slide Calipers
SquaresNo.11H & 33H
Squares No.20 Series
Squares No.21 Series
Squares No.55 Series
Squares No.61 Series
Protractors
Vocational &
Educational Materials
Inch/Metric Tap Drill Sizes Card
Millimeter/Inch Equivalents Card
The Starrett Story
| Squares:
Master Precision
Squares | Master
Precision Squares
No. 20 Series (1 1/2-36" (40-910 mm) The
finest precision-checking squares - not graduated. Squareness accuracy to .0001"
(0.0025 mm) every 6" (150 mm)These hardened steel squares are used when extreme
accuracy is required. The beams and blades are hardened, ground, and lapped to
insure parallelism and straightness. The beam is grooved at the inner corner for
clearance of burr or dirt. Made of high quality tool steel with the finest of
craftsmanship throughout. | *
- Length of blade from the inner edge of the beam to the end of the blade.
**
- 36" (910 mm) and larger size squares have special screws to secure the
blade to the beam.
† - Rack-type case.
±
- With Standard Letter of Certification.
Note: Larger squares
can be furnished: qouted on application. Sent without case unless otherwise ordered.
Packed one in a box.
|  | | Size-
Length of Blade | Length
of Beam | Squares | Case
Only | Inch | mm | Inch | mm | Cat.
No. | EDP
No. | Cat.
No. | EDP
No. | 1
1/2" | 40 | 1
1/2" | 40 | 20-1
1/2 | 50128 | 916 | 55152 | 3" | 75 | 2
3/8" | 60 | 20-3 | 50130 | 951 | 55153 | 4
1/2" | 115 | 3
1/2" | 90 | 20-4
1/2 | 50132 | 918 | 55154 | 6" | 150 | 4
5/16" | 110 | 20-6 | 50134 | 919 | 55155 | 20-6
W/SLC± | 66899 | 12" | 300 | 7" | 180 | 20-12 | 50136 | 20ZZ-12 | 55156 | 20-12W/SLC± | 66900 | 24" | 600 | 12
5/16" | 310 | 20-24 | 50140 | 20ZZ-24† | 55158 | 36" | 910 | 20" | 500 | 20-36** | 50142 | 20ZZ-36† | 55159 |
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