McMaster-Carr logo
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    15 Products

    Alignment Locks

    Precisely align and lock together your mold halves, so they stay in place during high-pressure injection molding. They're used as the final alignment between your mold halves, after leader pins and bushings (not included) guide your mold halves close together.
    Top Alignment Locks
    Image of Product. Front orientation. Alignment Locks. Top Alignment Locks.
    Image of Attribute. Front orientation. Contains Annotated. Top Alignment Locks.
    Top locks install where the two halves of your mold meet, often called the parting line. Top locks require separately machined pockets on each half of your mold for installation. Because you’re machining both sides separately, you’ll need to take extra care to make sure the two pockets are aligned.
    Overall
    Male
    Female
    Mounting
    Wd.
    Wd. Tolerance
    Ht.
    Dp.
    Ht.
    Material
    Ht.
    Material
    No. of
    Holes
    For Fastener
    Thread Size
    Fasteners
    Included
    Each
    1 1/4"-0.0004" to 0"1 1/8"3/4"1/2"Black-Oxide Steel5/8"Titanium Nitride (TiN)-Coated Steel48-32
    		No7237N550000000
    2"-0.0004" to 0"1 1/2"1 1/8"5/8"Black-Oxide Steel7/8"Titanium Nitride (TiN)-Coated Steel41/4"-20
    		No7237N56000000
    3"-0.0004" to 0"2 1/8"1 3/4"7/8"Black-Oxide Steel1 1/4"Titanium Nitride (TiN)-Coated Steel45/16"-18
    		No7237N57000000
    Side Alignment Locks
    Image of Product. Front orientation. Alignment Locks. Side Alignment Locks.
    Image of Attribute. Front orientation. Contains Annotated. Side Alignment Locks.
    Side locks install where the two halves of your mold meet, often called the parting line. The pockets for side locks can be machined at the same time by clamping your mold together, ensuring they’re aligned.
    Overall
    Male
    Female
    Mounting
    Wd.
    Wd. Tolerance
    Ht.
    Ht.
    Tolerance
    Dp.
    Ht.
    Material
    Ht.
    Material
    No. of
    Holes
    For Fastener
    Thread Size
    Fasteners
    Included
    Each
    1"-0.0004" to 0"2"-0.005" to 0"3/8"7/8"Black-Oxide Steel1 1/8"Titanium Nitride (TiN)-Coated Steel410-32
    		No7237N580000000
    1 1/4"-0.0004" to 0"2"-0.005" to 0"1/2"7/8"Black-Oxide Steel1 1/8"Titanium Nitride (TiN)-Coated Steel48-32
    		No7237N59000000
    1 1/2"-0.0004" to 0"1 3/4"-0.005" to 0"1/2"7/8"Black-Oxide Steel7/8"Titanium Nitride (TiN)-Coated Steel48-32
    		No7237N61000000
    2"-0.0004" to 0"2 1/4"-0.005" to 0"1/2"7/8"Black-Oxide Steel1 3/8"Titanium Nitride (TiN)-Coated Steel410-32
    		No7237N62000000
    3"-0.0004" to 0"2 3/4"-0.005" to 0"3/4"7/8"Black-Oxide Steel1 7/8"Titanium Nitride (TiN)-Coated Steel41/4"-20
    		No7237N63000000
    4"-0.0004" to 0"3 3/4"-0.005" to 0"1"1 3/8"Black-Oxide Steel2 3/8"Titanium Nitride (TiN)-Coated Steel43/8"-16
    		No7237N64000000
    5"-0.0004" to 0"4 1/4"-0.005" to 0"1 1/4"1 3/8"Black-Oxide Steel2 7/8"Titanium Nitride (TiN)-Coated Steel41/2"-13
    		No7237N65000000
    6"-0.0004" to 0"4 1/4"-0.005" to 0"1 1/2"1 3/8"Black-Oxide Steel2 7/8"Titanium Nitride (TiN)-Coated Steel41/2"-13
    		No7237N66000000
    Guide Alignment Locks
    Image of Product. Front orientation. Alignment Locks. Guide Alignment Locks.
    Image of Attribute. Front orientation. Contains Annotated. Guide Alignment Locks.
    Guide locks keep internal cavities and cores aligned as the two halves of the mold come together.
    Overall
    Male
    Female
    Mounting
    Wd.
    Ht.
    Ht.
    Tolerance
    Dp.
    Dp.
    Tolerance
    Ht.
    Material
    Ht.
    Material
    No. of
    Holes
    For Fastener
    Thread Size
    Fasteners
    Included
    Each
    1 1/2"0.85"-0.01" to 0"1"-0.01" to 0"0.85"Black-Oxide Steel1/2"Titanium Nitride (TiN)-Coated Steel610-32
    		No7237N510000000
    2 1/2"1.35"-0.01" to 0"1 1/2"-0.01" to 0"1.35"Black-Oxide Steel3/4"Titanium Nitride (TiN)-Coated Steel61/4"-20
    		No7237N52000000
    3 1/2"1.73"-0.01" to 0"2"-0.01" to 0"1.73"Black-Oxide Steel1"Titanium Nitride (TiN)-Coated Steel63/8"-16
    		No7237N53000000
    4 1/2"2.1"-0.01" to 0"2 1/2"-0.01" to 0"2.1"Black-Oxide Steel1 1/4"Titanium Nitride (TiN)-Coated Steel61/2"-13
    		No7237N54000000
    back to top