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    46 Products

    Starrett High-Accuracy Combination Square Blades

    Image of Product. Inch. Front orientation. ZoomedIn view. Contains Annotated, MultipleImages. Combination Square Blades. Starrett High-Accuracy Combination Square Blades, 4/32" Numeric Graduations.
    Image of Product. Inch/Metric. Front orientation. ZoomedIn view. Contains Annotated, MultipleImages. Combination Square Blades. Starrett High-Accuracy Combination Square Blades, 10 mm Numeric Graduations.

    Inch

    Inch/Metric

    Use these blades with Starrett High-Accuracy Combination Square Heads. They meet Fed. Spec. GGG-R-791, which establishes uniform standards for accuracy, graduations, and size. Blades are labeled with numeric increments that are less than 1" for quick reading. All have a corrosion-resistant satin chrome-plated finish that reduces glare and wear-resistant etched markings.
    Graduation
    Lg.
    Front Graduations (Numeric
    Graduations)
    Back Graduations (Numeric
    Graduations)
    Lg. Accuracy
    Wd.
    Thk.
    Color
    Color
    Type
    Each
    Inch
     
    Satin Chrome-Plated Steel
    4"1/32" (4/32"), 1/64" (8/64")1/8" (1"), 1/16" (1")-0.002" to 0.004"5/8"1/16"SilverBlackEtched1955A32000000
    6"1/32" (4/32"), 1/64" (8/64")1/8" (1"), 1/16" (1")-0.002" to 0.004"3/4"5/64"SilverBlackEtched1955A3400000
    6"1/32" (4/32"), 1/64" (8/64")1/50" (1/10"), 1/100" (1/10")-0.002" to 0.004"3/4"5/64"SilverBlackEtched1955A3500000
    12"1/32" (4/32"), 1/64" (8/64")1/8" (1"), 1/16" (1")-0.0035" to 0.005"1"3/32"SilverBlackEtched1955A3600000
    12"1/32" (4/32"), 1/64" (8/64")1/50" (1/10"), 1/100" (1/10")-0.0035" to 0.005"1"3/32"SilverBlackEtched1955A37000000
    24"1/32" (4/32"), 1/64" (8/64")1/8" (1"), 1/16" (1")-0.0035" to 0.007"1"3/32"SilverBlackEtched1955A41000000
    24"1/32" (4/32"), 1/64" (8/64")1/50" (1/10"), 1/100" (1/10")-0.0035" to 0.007"1"3/32"SilverBlackEtched1955A42000000
    36"1/32" (4/32"), 1/64" (8/64")1/8" (1"), 1/16" (1")-0.0035" to 0.007"1"3/32"SilverBlackEtched1955A51000000
     
    Inch/Metric
     
    Satin Chrome-Plated Steel
    11 3/4"/300 mm0.5 mm (10 mm), 1/32" (4/32")1 mm (10 mm), 1/64" (8/64")-0.0035" to 0.005"/-0.09 mm to 0.15 mm1"3/32"SilverBlackEtched1955A44000000
    23 1/2"/600 mm0.5 mm (10 mm), 1/32" (4/32")1 mm (10 mm), 1/64" (8/64")-0.0035" to 0.007"/-0.11 mm to 0.25 mm1"3/32"SilverBlackEtched1955A45000000
     

    High-Accuracy Combination Square Blades

    Image of Product. Front orientation. Contains Annotated, MultipleImages. Combination Square Blades. High-Accuracy Combination Square Blades.
    Blades are for use with High-Accuracy Combination Square Heads. Blades are labeled with numeric increments that are less than 1" for quick-reading. All have a corrosion-resistant satin chrome-plated finish that reduces glare and wear-resistant etched markings.
    Graduation
    Lg.
    Front Graduations (Numeric
    Graduations)
    Back Graduations (Numeric
    Graduations)
    Lg. Accuracy
    Wd.
    Thk.
    Color
    Color
    Type
    Each
    Inch
     
    Satin Chrome-Plated Steel
    6"1/32" (4/32"), 1/64" (8/64")1/8" (1"), 1/16" (1")-0.0025" to 0.0025"3/4"5/64"SilverBlackEtched21115A41000000
    6"1/32" (4/32"), 1/64" (8/64")1/50" (1/10"), 1/100" (1/10")-0.0025" to 0.0025"3/4"5/64"SilverBlackEtched21115A4200000
    12"1/32" (4/32"), 1/64" (8/64")1/8" (1"), 1/16" (1")-0.0025" to 0.0025"1"3/32"SilverBlackEtched21115A2100000
    12"1/32" (4/32"), 1/64" (8/64")1/50" (1/10"), 1/100" (1/10")-0.0025" to 0.0025"1"3/32"SilverBlackEtched21115A2200000
    18"1/32" (4/32"), 1/64" (8/64")1/8" (1"), 1/16" (1")-0.0025" to 0.0025"1"3/32"SilverBlackEtched21115A2300000
    18"1/32" (4/32"), 1/64" (8/64")1/50" (1/10"), 1/100" (1/10")-0.0025" to 0.0025"1"3/32"SilverBlackEtched21115A2400000
    24"1/32" (4/32"), 1/64" (8/64")1/8" (1"), 1/16" (1")-0.0025" to 0.0025"1"3/32"SilverBlackEtched21115A25000000
    24"1/32" (4/32"), 1/64" (8/64")1/50" (1/10"), 1/100" (1/10")-0.0025" to 0.0025"1"3/32"SilverBlackEtched21115A26000000
     

    Starrett High-Accuracy Combination Square Heads

    Attach to Starrett High-Accuracy Combination Square Blades with the included lockbolts.
    Square Heads
    Image of Product. Front orientation. Combination Square Heads. Starrett High-Accuracy Combination Square Heads, Square Heads.
    Square heads check 90° angles.
    Cast Iron—Cast iron heads are durable, so they resist dents and scratches. However, they corrode more easily than zinc heads.
    Hardened Steel—Hardened steel heads are more durable and last longer than cast iron heads.
    Cast Iron
    Hardened Steel
    For Blade
    Lg.
    Features
    Each
    Each
    4"—1955A110000001955A14000000
    6"Built-In Level1955A12000001955A1500000
    12" to 48"Built-In Level1955A13000001955A16000000
    Replacement Square Head Lockbolts
    Image of Product. Front orientation. Square Head Lockbolts. Starrett High-Accuracy Combination Square Heads.
    For Head Style
    For Blade Lg.
    Each
    Center, Square4"1955A81000000
    Center, Square6"1955A8200000
    Center, Square, Protractor12" to 36"/300 mm to 600 mm1955A830000
    Center Heads
    Image of Product. Front orientation. Combination Square Heads. Starrett High-Accuracy Combination Square Heads, Center Heads.
    Center heads identify the center on pipes, rods, and shafts.
    Cast Iron—Cast iron heads are durable, so they resist dents and scratches. However, they corrode more easily than zinc heads.
    Hardened Steel—Hardened steel heads are more durable and last longer than cast iron heads.
    Cast Iron
    Hardened Steel
    For Blade
    Lg.
    Each
    Each
    4"1955A170000001955A21000000
    6"1955A18000001955A22000000
    12" to 48"1955A19000001955A23000000
    Replacement Square Head Lockbolts
    Image of Product. Front orientation. Square Head Lockbolts. Starrett High-Accuracy Combination Square Heads.
    For Head Style
    For Blade Lg.
    Each
    Center, Square4"1955A81000000
    Center, Square6"1955A8200000
    Center6"1955A8500000
    Center, Square, Protractor12" to 36"/300 mm to 600 mm1955A830000
    Protractor Heads
    Image of Product. Front orientation. Combination Square Heads. Starrett High-Accuracy Combination Square Heads, Protractor Heads.
    Protractor heads measure angles.
    Cast Iron—Cast iron heads are durable, so they resist dents and scratches. However, they corrode more easily than zinc heads.
    Protractor
    Cast Iron
    For Blade
    Lg.
    Reversible
    Features
    Angle Measured
    Range
    Graduations (Numeric
    Increments)
    Each
    12" to 48"NoBuilt-In Level0° to 180°1° (10°)1955A290000000
    12" to 48"YesBuilt-In Level0° to 180°1° (10°)1955A25000000
    Replacement Square Head Lockbolts
    Image of Product. Front orientation. Square Head Lockbolts. Starrett High-Accuracy Combination Square Heads.
    For Head Style
    For Blade Lg.
    Each
    Center, Square, Protractor12" to 36"/300 mm to 600 mm1955A8300000

    High-Accuracy Combination Square Heads

    Attach to High-Accuracy Combination Square Blades with the included lockbolts.
    Square Heads
    Image of Product. Front orientation. Combination Square Heads. High-Accuracy Combination Square Heads, Square Heads.
    Square heads check 90° angles.
    Zinc—Zinc heads are lightweight and corrosion resistant.
    Cast Iron—Cast iron heads are durable, so they resist dents and scratches. However, they corrode more easily than zinc heads.
    Hardened Cast Iron—Hardened cast iron heads are more durable and last longer than cast iron heads.
    Combination Square Heads
    Replacement Square
    Head Lockbolts
    For Blade
    Lg.
    Features
    Each
    Each
    Zinc
    12" to 24"Built-In Level21115A510000021115A10100000
     
    Cast Iron
    12" to 24"Built-In Level21115A270000021115A360000
     
    Hardened Cast Iron
    12" to 24"Built-In Level21115A280000021115A360000
     
    Center Heads
    Image of Product. Front orientation. Combination Square Heads. High-Accuracy Combination Square Heads, Center Heads.
    Center heads identify the center on pipes, rods, and shafts.
    Zinc—Zinc heads are lightweight and corrosion resistant.
    Cast Iron—Cast iron heads are durable, so they resist dents and scratches. However, they corrode more easily than zinc heads.
    Hardened Cast Iron—Hardened cast iron heads are more durable and last longer than cast iron heads.
    Combination
    Square Center Heads
    Replacement Square
    Head Lockbolts
    For Blade
    Lg.
    Each
    Each
    Zinc
    12" to 24"21115A520000021115A10100000
     
    Cast Iron
    12" to 24"21115A290000021115A360000
     
    Hardened Cast Iron
    12" to 24"21115A310000021115A360000
     
    Protractor Heads
    Image of Product. Front orientation. Combination Square Heads. High-Accuracy Combination Square Heads, Protractor Heads.
    Protractor heads measure angles.
    Zinc—Zinc heads are lightweight and corrosion resistant.
    Cast Iron—Cast iron heads are durable, so they resist dents and scratches. However, they corrode more easily than zinc heads.
    Combination Square Protractor Heads
    Replacement Square
    Head Lockbolts
    Protractor
    For Blade
    Lg.
    Reversible
    Angle Measured
    Range
    Graduations (Numeric
    Increments)
    Each
    Each
    Zinc
    12" to 24"Yes0° to 180°1° (10°)21115A5300000021115A10100000
     
    Cast Iron
    12" to 24"Yes0° to 180°1° (10°)21115A320000021115A360000
     
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