Reliable Lock Plate Solutions from Rose Engineering

Rose Engineering is a recognized Lock Plate Manufacturer delivering precision-engineered Lockplates for critical mechanical applications. Known for quality and dependability, we support industries that require consistent torque control, shaft retention, and mechanical stability under demanding conditions. As a leading lock plates supplier in Indiana, we manufacture and supply a complete range of Lock plates, and related components such as the bearing locknut and lockwashers to meet varied application requirements.

Our Lockplates are designed for performance in high-load and high-vibration environments, offering secure locking without deformation or slippage. Used widely in industrial drive assemblies, power transmission units, and heavy machinery, these components play a vital role in protecting assemblies and maintaining alignment during operation.

PricePart NumberThickness
(Q1)
Height
(A1)
Hole Center
(C1)
Height
(D1)
Key Location
(F1)
Capscrew Size
(J2)
Hole Size
(K2)
Height
(B1)
Key Width
(G1)
$71.66 P480.1251.1252.7110.6250.6255/16-18X.6250.3750.751
$75.01 P520.1251.1562.9380.6560.6565/16-18X.6250.3750.8131.063
$80.31 P560.1251.1563.1480.6250.6565/16-18X.6250.3750.7811.125
$92.04 P600.1251.3753.4070.8440.8443/8-16X.7500.4380.9691.25
$116.48 P640.1251.3123.6010.7810.8123/8-16X.7500.4381.0311.313
$115.05 P680.1251.253.8280.7810.8123/8-16X.7500.4380.9691.375
$139.93 P720.1251.54.2810.9061.1251/2-13X.8750.5621.0941.375
$161.88 P760.1251.54.2810.9061.1251/2-13X.8750.5621.0941.375
$180.96 P800.1251.4694.4750.9061.0311/2-13X.8750.5621.0941.5
$226.10 P840.1251.6564.961.0321.2195/8-11X1.0000.6881.2811.688
$257.27 P880.1251.6564.961.0321.2195/8-11X1.0000.6881.2811.688
$296.58 P920.1251.6565.1861.1561.1885/8-11X1.0000.6881.3431.688
$365.48 P960.1561.5625.3641.0631.4065/8-11X1.2500.6881.3121.688
$420.39 P5000.1561.6885.6061.1251.2815/8-11X1.2500.6881.2811.688
$624.18 P5300.1562.1256.061.3751.55/8-11X1.2500.6881.5631.688
$687.93 P5600.1561.8756.2541.1251.55/8-11X1.2500.6881.3441.688
$973.10 P6000.15626.7231.251.5625/8-11X1.2500.6881.4381.688
$1,157.70 P6300.1562.0947.0621.4381.5625/8-11X1.2500.6881.6561.875
$1,190.51 P6700.1562.1097.511.4381.7195/8-11X1.2500.6881.6881.875
$1,240.23 P7100.1562.1887.9361.4381.8755/8-11X1.2500.6881.6881.875
$1,272.08 P7500.1882.1888.3531.4381.8755/8-11X1.2500.6881.6881.875
$1,362.30 P8500.1882.4699.4561.6252.3443/4-10X1.5000.8121.9061.875
Lockplate

Capabilities and Strengths

  • Comprehensive Manufacturing: We produce both standard and Heavy-Duty Lockplates using durable metals and precise machining techniques.
  • Customization: Our in-house team can work with your technical specifications to create exact-fit solutions for custom builds.
  • Quick Delivery: With established logistics and a central location in Indiana, we support both small and bulk orders with reliable turnaround.
  • Application Knowledge: From OEMs to maintenance teams, we assist clients in selecting the right Lock plates and accessories, including compatibility with bearing locknuts and washer systems.

Every product undergoes strict quality control to match tolerance, strength, and surface finish requirements, helping reduce premature wear and equipment downtime. We’re not only known for component quality, but also for our responsive service and technical support.

Partner with Rose Engineering

We serve as a dependable source for OEMs, equipment repair centers, and distributors seeking durable and dimensionally accurate lockplate solutions. Whether you’re working on a new design or replacing worn parts, our products deliver consistency and long-term value.
Count on Rose Engineering to help you minimize downtime and maximize throughput.

Frequently Asked Questions

1. Do you manufacture lockplates in non-standard dimensions?

Yes, we can produce lockplates based on your drawing or specification requirements.

2. What industries commonly use your lock plates?

Our products are widely used in heavy machinery, automotive systems, gearboxes, and electric motor assemblies.

3. What is the function of a bearing lock washer in these assemblies?

It secures the bearing axially while working in conjunction with the lockplate to prevent shaft movement.

4. Are your lockplates suitable for high-temperature environments?

Yes, depending on material selection, our lockplates can withstand elevated temperatures in industrial applications.

5. Can you ship outside Indiana or internationally?

Absolutely. While we are a leading lock plates supplier in Indiana, we supply nationwide and to select international locations.