What is the difference between NF-type and NR-type lock nuts?

NF-type has an inclined set screw aligned with the end face, while NR-type has a radial set screw in the middle. NF allows easier tightening for recessed structures.

What affects the service life of the support unit?

Service life depends on operating environment, load magnitude, lubrication, maintenance, and usage frequency. It is not easily damaged under normal use.

Does using medium carbon steel vs. ductile cast iron affect performance?

No significant difference. HZMotion mainly uses medium carbon steel, with SBK type using ductile cast iron, as their mechanical properties are very similar.

What is the recommended lubrication grease replenishment interval?

Grease is added before shipment. Maintenance is generally recommended once every quarter, depending on operating conditions and environment.

High Performance High Strength Wear Resistant Precision Ball Screw Lock Nut

Name: High Performance High Strength Wear Resistant Precision Ball Screw Lock Nut
Brand: HZMotion (Shandong) Co.,Ltd
SKU: 1982442931

Shandong, ChinaHZMotion (Shandong) Co.,Ltd

US$15.50-117.00

100 Pieces

Product specifications

thread accuracy

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Connection

Common Bolt

Head Style

Round

Standard

DIN

Grade

8.8

Transport Package

Individual Packaging

Trademark

HZMotion

Origin

China

Key features

High Strength Material: NRA series uses C45 steel; NR/NF/NK series use 42CrMo for superior durability.

ISO 4H Precision Grade: All lock nut threads meet ISO 4H precision grade standards for accuracy.

Wide Size Range: Available in NRA M4-M40, NR M6-M40, NF M14-M100, and NK M16-M80.

DIN Standard Compliance: Products adhere to DIN standards with Grade 8.8 strength classification.

Customization Support: OEM and ODM services available; customization from samples or designs.

ISO Certified Quality: Manufacturing certified under ISO9001:2015 and ISO14001:2015 standards.

Trusted by Industry Leaders: Supplies major enterprises like Foxconn, BYD, Thomson, and Han's Laser.

Fast Delivery: Average lead time within 15 workdays for both peak and off-season orders.

Company profile

High Repeat Buyers ChoicePatents AwardedSelf-brandedStandardized quality control

HZMotion (Shandong) Co.,Ltd

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤7.91h

AI-Powered supplier vetting

SummaryHZMotion - Shandong Huazhun Machinery Co., Ltd. is an industrial machinery supplier established in 2010, with stated activities covering industrial robots, intelligent robots, gears, transmission components, CNC machines, and related mechanical equipment. It reports OEM service for well-known brands, ISO9001:2015 and ISO14001 certifications, inventory availability, and established service procedures for complaints, corrective actions, and supplier assessment. Its export history is stated as 10 years, although exports represent only 1%–10% of total sales. The supplier reports no available SDK, no new products launched in the past year, one R&D engineer, no Fortune 500 cooperation, no overseas warehouse or showroom, and no valid manufacturing-capacity contract with associated subcontractors. The provided financial records identify 2022–2024 periods but do not provide financial performance values, so financial credibility cannot be determined.

Supplier typeThe supplier is a machinery and precision motion technology manufacturer and seller. Its stated scope includes industrial and intelligent robots, gears and transmission parts, CNC machines, bearings, mechanical components, and related R&D, while its company description emphasizes precision transmission and positioning components.

CertificationsThe supplier reports ISO9001:2015 and ISO14001 certifications, and its description also records earlier ISO9001:2008 and ISO14001:2004 certifications. These statements provide explicit evidence of management-system certification, although the provided slices do not show certificate validity dates or scope.

After-Sales capabilityThe supplier reports written procedures and records for service-capability assessment, corrective and preventive actions, and customer complaint handling. It also has in-stock service capacity, but lacks overseas warehouse and showroom capabilities; therefore, the evidence supports structured service processes but not comprehensive overseas support.

Production capacityThe supplier states that it independently manufactures industrial robots, components, gears, transmission parts, and CNC machines, and maintains ready-to-ship inventory. However, it reports no valid manufacturing-capacity contract with associated subcontractors, so the evidence supports direct manufacturing and inventory capability but not subcontractor capacity assurance.

Customization capabilityOEM service for well-known brands is explicitly reported, and the supplier conducts R&D and manufacturing across precision transmission, positioning components, robots, CNC machines, and mechanical equipment. This directly supports the ability to provide customized or OEM products, although the slices do not specify customization scope, engineering workflow, or delivery performance.