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Precision Steel Squares

Mitutoyo


Starrett Combination Squares

  • Reversible lock bolt, scriber, spirit level
  •  Hardened steel, machine divided blade
  •  Regular Finish Blade
  •  Cast Iron Heads with Black Wrinkle Finish
Size
Graduation
Cast Head
Black Wrinkle Finish
Forged and Hardened Head Smooth Black Enamel Finish
4"
4R
11H-4-4R
33H-4-4R
4"
4R
C11H-4-4R
C33H-4-4R
6"
4R
11H-6-4R
33H-6-4R
6"
4R
C11H-6-4R
C33H-6-4R
6"
16R
11H-6-16R
33H-6-16R
6"
16R
C11H-6-16R
C33H-6-16R
12"
4R
11H-12-4R
33H-12-4R
12"
4R
C11H-12-4R
C33H-12-4R
12"
16R
11H-12-16R
33H-12-16R
12"
16R
C11H-12-16R
C33H-12-16R
18"
4R
11H-18-4R
33H-18-4R
18"
4R
C11H-18-4R
C33H-18-4R
18"
16R
11H-18-16R
33H-18-16R
18"
16R
C11H-18-16R
C33H-18-16R
24"
4R
11H-24-4R
33N-24-4R
24"
4R
C11H-24-4R
C33H-24-4R
24"
16R
11H-24-16R
33H-24-16R
24"
16R
C11H-24-16R
C33H-24-16R

Starrett Large Combination Squares

  • Extra large, heavy-duty construction
  •  Furnished with 24″ blade, 1-1/2″ wide x 1/10″ thick, with distinctive, machine-divided graduations
  •  Reversible lock bolts
  •  Accurate spirit level
  •  Hardened steel blade
  •  Heads are cast iron and have black wrinkle finish
Part No.
Blade Length
Graduation
Description
8H
24"
No. 4 8ths, 16ths, 32nds, 64ths
Square Head
8HC
24"
No. 4 8ths, 16ths, 32nds, 64ths
Square and Center heads
Separate Parts
Part No.
Description
H8
Square head only
C8
Center head only
8824-4
24" blade only with No. 4
graduation

Starrett Combination Set with Square Center and Reversible Protractor Head and Blade

  • Reversible lock bolts, scriber, spirit level in both square head and protractor head
  • Direct reading double 180º protractor scale
  • Hardened steel, machine divided blade
  • Regular Finish Blade
  • Forged and Hardened Steel Heads with Smooth Black Enamel Finish
Size
Graduation
Part No. Black Enamel Finish
Part No. Satin Chrome Finish
12"
4R
434-12-4R
C434-12-4R
12"
16R
434-12-16R
C434-12-16R
18"
4R
434-18-4R
C434-18-4R
18"
16R
434-18-16R
C434-18-16R
24"
4R
434-24-4R
C434-24-4R
24"
16R
434-24-16R
C434-24-16R

Starrett Hardened Steel Squares

  • The beams and blades are hardened, ground and lapped to ensure parallelism and straightness
  •  Made of high quality tool steel, with the finest of craftsmanship throughout
  •  The beam is grooved at the inner corner for clearance of burr or dirt
Part No.
Length of Blade
Metric Range
20-1-1/2
1-1/2"
1-1/2"
20ZZ-1-1/2
1-1/2"
Wood Case Only
20-3
3"
2-3/8"
20ZZ-3
3"
Wood Case Only
20-4-1/2
4-1/2"
3-1/2"
20ZZ-4-1/2
4-1/2"
Wood Case Only
20-6
6"
4-5/16"
20ZZ-6
6"
Wood Case Only
20-12
12"
7"
20ZZ-12
12"
Wood Case Only
20-24
24"
12-5/16"
20ZZ-24
24"
Wood Case Only
20-36
36"
20"
20ZZ-36
36"
Wood Case Only

Starrett Beveled Edge Squares

  • The finest precision-checking squares – not graduated. Squareness accuracy to .0001″ (0.0025mm) every 6″ (150mm)
  •  The blades are beveled on both edges of each side, which provides an excellent visual line contact with the work
  •  These hardened steel squares are used when extreme accuracy is required
  •  The beams and blades are hardened, ground and lapped to ensure 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
Part No.
Length of Blade
Metric Range
55-1-1/2
1-1/2"
1-1/2"
55ZZ-1-1/2
1-1/2"
Wood Case Only
55-3
3"
2-3/8"
55ZZ-3
3"
Wood Case Only
55-4-1/2
4-1/2"
3-1/2"
55ZZ-4-1/2
4-1/2"
Wood Case Only
55-6
6"
--
55ZZ-6
6"
Wood Case Only

Starrett Die Makers’ Square

  • With Standard Graduated Blade
  •  The inch reading blade is graduated on one side, upper edge in 32nds, lower edge in 64ths
  •  The blade can be held in position by tightening the clamping screw
  •  Head and blades are hardened and ground
Part No.
Size
Graduations
453A
2-1/2"
32nds, 64ths
453C
2-1/2"
32nds, 64ths
453E
2-1/2"
32nds, 64ths
453EZ
2-1/2"
32nds, 64ths

Starrett Attachment for Combination Squares 289A  289B

  • To fit 12″, 18″ and 24″ combination square blades up to 1″ wide
Part No.
Range Blade
Range Rule
Seat Length Blade
Seat Length Rule
289A
1"
1"
1-9/16"
1-11/16"
289B
1"
1"
2-3/8"
2-3/8"

Starrett Blades Only for Combination Squares Sets and Bevel Protractors

  • Regular Steel Finish
  • Blades for Combination Squares, Sets and Bevel Protractors
  • Inch Blades Only for Combination Squares, Sets and Bevel Protractors
Size
Graduation
Part No.
4"
4R
B4-4R
4"
4R
CB4-4R
4"
16R
CB4-16R
6"
4R
B6-4R
6"
4R
CB6-4R
6"
16R
B6-16R
6"
16R
CB6-16R
12"
4R
B12-4R
12"
4R
CB12-4R
12"
16R
B12-16R
12"
16R
CB12-16R
18"
4R
B18-4R
18"
4R
CB18-4R
18"
16R
B18-16R
18"
16R
CB18-16R
24"
4R
B24-4R
24"
4R
CB24-4R
24"
6R
CB24-6R
24"
16R
B24-16R
24"
16R
CB24-16R

 

  • Contact Heavy Maintenance Supply 205-384-5284 for more information