What are the bolt placement and bolt spacing requirements?

The bolt arrangement can be divided into parallel and staggered arrangements. The parallel bolt arrangement is simple, neat and compact, and the size of the connecting plate used is small, but the cross-section of the component is greatly weakened; the staggered bolt arrangement is not compact, the size of the connecting plate used is large, and the cross-section of the component is weakened. Less stress.

Aero-Grade Fastening Bolt: Fatigue Resistance & Stable Locking Performance

Name: Aero-Grade Fastening Bolt: Fatigue Resistance & Stable Locking Performance
Brand: Qingdao OBT Power Co., Ltd.
SKU: 2249362855

Shandong, ChinaQingdao OBT Power Co., Ltd.

US$1.00-20.00

100 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Casting Method

None

Process

Investment Casting

Model NO.

OBT

Molding Technics

CNC Machining

Application

Machinery Parts/Auto Parts/Hardware

Material

Superalloy, Aluminium Alloy

Surface Preparation

Polishing/Sand Blast/Spray-Paint

Surface Roughness

Ra 0.8-Ra3.2 According to Customer Requirement

Machining Tolerance

+/-0.01mm

Standard

ASTM

Certification

CE, ISO 9001:2000, ISO 9001:2008

Service

Custom Carbon Steel Water Pump Impeller

Transport Package

Packed with Free Fumigating Wooden Case

Specification

Customized

Trademark

OBT

Origin

Shandong, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

Investment Casting Process: Utilizes advanced investment casting for high-precision metal components.

CNC Machining Capability: Features CNC machining with tolerance of +/-0.01mm for accuracy.

Custom Design Service: Professional team creates products from customer drawings or samples.

Wide Material Selection: Available in Superalloy, Aluminium Alloy, and Carbon Steel options.

Comprehensive Quality Testing: Equipped with CMM, X-Ray, and spectrometer for rigorous inspection.

Strict Quality Control: Full process tracking and defense to prevent mass order quality issues.

NDA Protection: Design drawings remain confidential; NDA available upon request.

ISO Certified Factory: Certified with CE, ISO 9001:2000, and ISO 9001:2008 standards.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language PioneerExperienced Team

Qingdao OBT Power Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 1997-03-08Nearest Port: Qingdao port, Tianjin portAverage Response Time: ≤3.24hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is a limited-company trading company with 15 employees and a valid import/export license. It reports 90% export sales, flexible customization, ODM services, OEM experience for popular brands, in-stock capability, quality assurance, and raw-material traceability. Customer-oriented delivery and after-sales service are claimed, but supporting records are incomplete for corrective actions and complaint handling. The supplier has no available SDK, no new products in the past year, and no overseas agents, branches, warehouses, showrooms, or offline trade-show participation. Manufacturing outsourcing procedures and contracts are not confirmed. Financial information identifies reporting years but provides no substantive financial results, so financial credibility cannot be assessed. Customer reach is described as more than 382 customers, although specific customer cases are not provided.

Supplier typeThe supplier is identified as a limited company and a trading company, with 15 employees, no parent-group affiliation, and a valid import/export license. This supports classification as an independently operated trading supplier rather than a confirmed manufacturer.

CertificationsThe supplier explicitly reports holding a valid import/export license. No other certification information is provided, so the assessment is limited to this documented license.

R&D capabilityThe supplier has no available SDK and reports no new products during the past year, indicating limited documented product-development activity. It does provide ODM services, but this alone does not establish strong internal innovation capability.

Customization capabilityThe supplier explicitly offers flexible customization and ODM services, and also reports OEM service for popular brands. These statements provide direct evidence of customization and externally oriented design-manufacturing support.

Product Q&A

Q:Are you a trading company or manufacturer?

OBT was established in 2003, specializing in the production of casting, CNC machining, forged titanium alloys, high temperature alloys, brass products and one-stop technical solutions for more than 20 years.

Q:Do you customize products according to our design drawings?

Yes, we are a professional metal manufacturing factory with an experienced engineering team that can make customized products according to customer drawings. We can also reverse-engineer drawings based on samples to produce large quantities of goods.

Q:Will my design drawings be safe when you get it?

Yes, we will not publish your design to a third party unless your permission is obtained. We can sign NDA before you send the drawings.

Q:How to avoid mass order quality problems?

Strengthen prior prevention and inspection of the production and processing process, regard important processes as the focus of quality control, and track inspection and defense throughout the process. It can provide Spectrometer,CMM, Tensile testing machine, Impact tester,Hardness tester,X-Ray,Salt spray test box, Pneumatic detection,UV accelerated weathering tester,dynamic balancing, high-temperature tensile testing,fluorescence test,room temperature mechanical property testing and other testi

Q:What's your delivery time?

In general,the delivery time is within 15-90 days after payment.