Description
CRL 9050S8 5/16″ Mab Type Spindle Collar Height
C.R. Laurence 9050S8 5/16″ Collar Height “Mab” Type Spindle is an essential component for achieving optimal door clearance in a variety of applications. Designed to be compatible with all CRL Models, as well as Jackson® 900 and DORMA® BTS80 Series Floor Mounted Door Closers, this spindle provides versatility and reliability. Available in six heights ranging from 1/8″ to 1-5/16″ (3 to 33 mm), it accommodates various threshold and finished floor heights to meet your specific installation needs. Constructed from durable aluminum, the “MAB” style square tapered spindle is ideal for use in both center-hung and offset bottom arm configurations. It seamlessly integrates with CRL Patch Fitting Inserts, enhancing its functionality. Widely used throughout Europe and South America, this spindle is a trusted choice for building professionals seeking quality and performance. It’s important to note that to determine the actual door clearance from the finished floor, you should add 3/16″ (5 mm) to the collar height. For example, a 1/8″ (3 mm) collar height results in a 5/16″ (8 mm) door clearance. With its non-handed design and compliance with industry standards, the C.R. Laurence 9050S8 spindle is a reliable solution for your door hardware needs.
5/16″ Collar Height “Mab” Type Spindle
- For Use with all CRL Models, Jackson® 900, and DORMA® BTS80 Series Floor Mounted Door Closers
- Six Available Heights from 1/8″ to 1-5/16″ (3 to 33 mm)
- MAB Type Square Tapered Type
CRL Flat Tapered and “MAB” Type Spindles are available in various heights to accommodate different threshold and finished floor heights, and can be used with all CRL Models, Jackson® 900, and Dorma® BTS80 Floor Mounted Door Closers. The CRL Flat Tapered Spindle will allow the use of all center-hung and offset bottom arms intended for use with this type of spindle, as well as CRL Patch Fitting Inserts. The “MAB” Style Spindle is commonly used throughout Europe and South America.
Product Warning:
To determine the actual door clearance from finished floor, add 3/16″ (5 mm) to the collar height.
Example: 1/8″ (3 mm) collar height + 3/16″ (5 mm) = 5/16″ (8 mm) door clearance from finished floor.
Most shipping weights are approximate and have not been verified. If the exact weight is needed in order to determine shipping costs, and shipping costs are required in order for you to complete your order, please request this prior to submitting your order by contacting CRL Customer Service. Product images shown are of the actual product or a close representation. Colors can vary depending on your computer’s video card and on how your monitor’s color is adjusted.
Attributes
Collar Height: 5/16
Compliance and Restrictions: Warning Reproductive Harm – www.p65warnings.ca.gov
Handing: Non Handed
Material: Aluminum
Shipping Limitations: None
Standard Door Cleareance: 1/2
Style: Mab Square Tapered
Resources
- Jackson Door Control Products Limited Warranty and Liability Information






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