What is the standard packaging method?

Standard packaging is 20-25 kg per carton, with 36 or 48 cartons per pallet. Custom packaging with logos is also available.

Is your company a verified manufacturer?

Yes, we are verified suppliers on Made-in-China and undergo rigorous certification processes to ensure we are a legitimate manufacturer.

Can I visit your factory?

Of course. We welcome factory visits. Please contact us in advance to arrange transportation from the airport or train station.

Replacement Thread Handle Clamping Screw Knobs Star Bolt Black Grip Thumb Screws Quick Removal Screws Replacement Part

Name: Replacement Thread Handle Clamping Screw Knobs Star Bolt Black Grip Thumb Screws Quick Removal Screws Replacement Part
Brand: Bolnut Fastener Co., Ltd
SKU: 1977656301

Jiangsu, ChinaBolnut Fastener Co., Ltd

US$0.10

1,000 Pieces

Product specifications

Thumb Screw

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel, Steel

Type

Star Head

Model NO.

Thumb Screw

Groove

Connection

Common Bolt

Head Style

Star

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

A2 A4 A2-70 A2-80 A4-70 A4-80

MOQ

1000pieces

Name

Thumb Screw

Customized

Samples

Free

Delivery Time

7-45 Days

Term of Payment

Tt30% Advanced Payment

Transport Package

20-25kg/Carton+900kg Pallet

Specification

M5 M6 M8 M10 M12 or Custom Screw

Trademark

BNT

Origin

China

HS Code

731815

Production Capacity

1000ton/Month

Key features

Custom Logo & Design: We accept custom logos and designs on products and packaging, supported by a professional design team.

Free Sample Policy: Free samples provided for standard fasteners and existing customers, with express charges covered for loyal clients.

Wide Material Selection: Available in Stainless Steel (SS201-904L) and various Steel Grades (DIN, SAE, ASTM) for diverse applications.

Flexible Payment Terms: Accepts T/T (30% deposit), L/C, D/P, PayPal, and Western Union to suit different business needs.

Fast Delivery Options: Stock items deliver in 2-5 days; bulk orders take 18-25 days, with expedited production available for urgent needs.

Verified Manufacturer: Verified supplier on Made-in-China with rigorous certification processes ensuring legitimacy and quality.

Professional Packaging: Standard 20-25kg/carton packaging with customizable options, including customer logo printing on cartons.

Comprehensive Certifications: Products meet international standards including DIN, ASTM, JIS, EN, ISO, AS, GB, and GOST specifications.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceFast Delivery

Bolnut Fastener Co., Ltd

Jiangsu, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 YearsNearest Port: SHANGHAI , NINGBO ,ZHAPU , SHENZHEN, TIANJINGAverage Response Time: ≤0.85h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Zhangjiagang, Suzhou, with business scopes covering labor protection products, apparel, textiles, communication equipment, electronics, and certain medical protective products. It is described as a professional technical supplier and offers multiple customization modes, ODM services, and OEM services for popular brands. However, it has only one R&D engineer, launched no new products in the past year, and does not provide 3D software or SDK services. Service procedures and complaint-handling procedures exist, but supplier approval records are incomplete. Financial information is represented only by reporting years, without performance values. No overseas warehouse, showroom, overseas branch or offline trade-show participation is reported.

Supplier typeThe supplier is explicitly classified as a trade company, while its stated scope includes labor protection products, apparel, textiles, medical protective equipment, communication equipment, and electronic products. It is also identified as a professional technical supplier, indicating a trading-oriented business with technical and customization support rather than confirmed manufacturing status.

After-Sales capabilityThe supplier has a clear complaint-handling procedure with followed records, and it has a corrective and preventive action mechanism with implementation records. However, its general service-assessment procedure has no records, and its approved-supplier list lacks approval signatures or dates, indicating documented but incompletely controlled service processes.

R&D capabilityThe supplier is identified as a professional technical supplier and offers ODM services, but it has only one R&D engineer, launched no new products in the past year, and lacks both 3D software design and SDK capabilities. This shows some technical development and design support, but limited demonstrated innovation output and digital R&D capability.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly evidencing broad customization and design-manufacturing support.

Client casesA repeat-buyer preference of 50%–80% is reported, and the supplier states that it provides OEM services for popular brands. These are positive customer-related indicators, but no named customers, specific projects, order examples, or independently verifiable case details are provided.

Product Q&A

Q:How can I get the product catalog?

Please provide your email address, and we will send the catalog within two working hours.

Q:Are samples free of charge?

Yes, samples are free for standard fasteners and existing customers. We only ship weights under 1 kg, and cover express charges for existing customers.

Q:Can you customize the logo or design?

Yes, we can accommodate custom logos or designs on products and packaging, supported by our professional design team.

Q:What is the delivery time for orders?

Stock items deliver in 2-5 days. Bulk orders (1-2 containers) take 18-25 days. Expedited production is available for larger orders.

Q:What are the payment terms?

Standard terms are 30% T/T deposit and 70% before shipping. We also accept L/C, D/P, PayPal, and Western Union.