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    15 Products

    Starrett High-Accuracy Combination Square Heads

    Attach to Starrett High-Accuracy Combination Square Blades with the included lockbolts.
    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 alloy 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

    High-Accuracy Combination Square Heads

    Attach to High-Accuracy Combination Square Blades with the included lockbolts.
    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 Alloy—Zinc alloy 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 alloy 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 Alloy
    12" to 24"21115A520000021115A10100000
     
    Cast Iron
    12" to 24"21115A290000021115A360000
     
    Hardened Cast Iron
    12" to 24"21115A310000021115A360000
     
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