Our high-holding-power mechanical clamping collars are engineered to secure axial components and function as reliable end stops on linear shafts. Departing from traditional set-screw configurations, the split-clamp design distributes uniform circumferential force around the shaft, preventing slippage while ensuring a non-marring hold.
Material Configurations & Applications
To meet distinct environmental and operational requirements, these collars are available in three premium material options:
Clear-Anodized Aluminum
Low-mass, low-inertia, and highly corrosion-resistant.
Black-Oxide Carbon Steel
High-strength, robust, and wear-resistant.
Stainless Steel
Exceptional rust and chemical resistance, ideal for washdown or sanitary environments.
This series is the preferred choice for industrial automation, machinery positioning, and robust mechanical limit stops.
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Aluminum Shaft Collars
Our lightweight, high-precision single-split clamping shaft collars are engineered for high-speed machinery and weight-sensitive assemblies. The one-piece design compresses uniformly across the Add to Inquiry -
Carbon Steel Shaft Collars
Our high-strength, single-split clamping shaft collars are engineered for heavy-duty industrial assemblies. Machined from robust S45C carbon steel with a protective black oxide finish, this one-piece Add to Inquiry -
Nickel-Plated Carbon Steel Shaft Collars
The Single-Split Nickel-Plated Carbon Steel Shaft Collar is a precision mechanical component designed for axial retention, component positioning, and travel limit stopping on linear and rotating Add to Inquiry -
Stainless Steel Shaft Collars
This high-precision, single-split clamping shaft collar is engineered specifically for sanitary, food-safe, and corrosive industrial environments. Machined from solid SUS304 stainless steel, this Add to Inquiry
Common Shaft Collar Designs
Single-Split (One-Piece Clamping Collar):
Design: A solid ring with one radial split cut through the wall.
Advantage: Provides a robust, uniform grip. It is easily adjusted by loosening the single socket-head cap screw, sliding the collar to the desired position, and re-tightening.
Best For: Standard end-stops, stroke limits, and axial component retention.
Double-Split (Two-Piece Clamping Collar):
Design: The collar is divided into two separate halves secured by two opposing bolts.
Advantage: Exceptional assembly convenience. This configuration does not need to slide over the shaft end. It can be assembled around the shaft at any point without disassembling pre-installed bearings, pulleys, or couplings, reducing maintenance downtime.
Best For: System retrofits, mid-shaft placement, and compact assemblies where shaft ends are inaccessible.
Set-Screw (Solid Collar):
Design: A solid ring with one or two threaded holes for set screws.
Advantage: Low unit cost and compact radial clearance (smallest outer diameter).
Best For: Light-duty, static positioning on soft shafts (such as aluminum or brass) where surface marring is not a constraint.
Operating Principle: Single-Split Radial Compression
The one-piece clamping collar operates on the principle of radial compression to secure components on linear shafts.
The Structure
The collar is engineered as a solid ring featuring a single radial slit on one side. A high-tensile, socket-head cap screw is positioned perpendicularly to bridge this slit.
The Clamping Action
Torque applied to the cap screw draws the two sides of the slit closer together, decreasing the inner diameter of the collar.
The Physics
Rather than concentrating force on a single point (as is the case with set-screw designs), the entire inner circumference of the single-split collar applies uniform radial pressure. This distributes the clamping force evenly across the shaft's surface area, significantly increasing the frictional contact area without marring the mating surface.
Product Advantages
01.
Non-Marring Shaft Protection:
High-precision linear shafts are hardened and ground to exacting tolerances. Because the one-piece collar clamps using uniform surface friction rather than a penetrating set screw, it keeps the shaft surface free of burrs, flat spots, or gouges. This ensures the collar can be adjusted repeatedly without compromising the smooth travel of linear bearings.
02.
High Axial Holding Capacity:
By distributing the clamping force uniformly around the shaft diameter, the single-split design achieves excellent axial holding power. It reliably resists displacement under dynamic impact forces or high-vibration conditions.
03.
Simplified Single-Bolt Adjustments:
Unlike two-piece (double-split) collars, which require balancing the torque of opposing fasteners, the one-piece collar features a single bolt. Repositioning simply requires loosening the single screw, sliding the collar to the desired position, and re-torqueing the fastener.
04.
Symmetrical Mass for High-Speed Rotation:
With a single radial split, the collar maintains a highly uniform mass distribution around its centerline. Especially in lightweight aluminum, this balanced geometry minimizes rotational vibration, making it suitable for high-speed shaft applications.
FAQ
Q: What type of company is yours?
A: We are a manufacturer with our own factory.
Q: Where is your company located? Do you allow factory visits?
A: Our company is located in Lishui City, Zhejiang Province, China—a nationally renowned hub for linear motion products. We welcome you to visit and inspect our facilities.
Q: Do you provide samples?
A: We offer free samples for you to verify product quality.
Q: Do you offer customization for your products?
A: Yes, we provide OEM/ODM customization services.
Q: Can product packaging be customized?
A: Yes, we also offer product marking services.
Q: Do your products come with a warranty?
A: Yes, we provide a two-year extended warranty for our products.
Q: What certifications does your company hold?
A: We hold ISO9001 Quality Management System certification and CE certification.
Q: What is the minimum order quantity?
A: Minimum order quantity is one piece.
Q: What is the delivery lead time?
A: Small batch orders ship within 3–7 days. Large batch orders typically ship within 7–30 days.
Q: What payment methods do you accept?
A: We accept PayPal, wire transfers, letters of credit, and other methods.
Q: What shipping options are available?
A: We offer diverse shipping channels including ocean freight, air freight, courier services, and postal mail.
Q: How long does it typically take to receive a response?
A: For product and pricing inquiries, we guarantee a response within 24 hours (often much faster).
As one of the most professional shaft collar manufacturers and suppliers in China, we're featured by quality products and competitive price. Please rest assured to buy customized shaft collar made in China here from our factory. Contact us for free sample.
