What is the minimum order quantity (MOQ)?

The provided text does not specify a minimum order quantity (MOQ).

What standards do these bolts comply with?

Our bolts comply with DIN, GB, ANSI, BSW, JIS, and GOST standards.

What is the hardness grade of the screws?

The hardness grade ranges from 4.8 to 12.9 depending on the material and customization.

Hex Philips Cross Recessed Machine Screw with Flat Spring Washers and Hex Flange Nuts Sems Screw

Name: Hex Philips Cross Recessed Machine Screw with Flat Spring Washers and Hex Flange Nuts Sems Screw
Brand: Shanghai Kinsom Precision Hardware Co., Ltd.
SKU: 936244565

Shanghai, ChinaShanghai Kinsom Precision Hardware Co., Ltd.

US$0.01-1.00

100,000 Pieces

Sample price:US$60.00/bag.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Connection

Common Bolt

Head Style

Round

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

4.8

Transport Package

Standard Packaging

Specification

customized

Trademark

custom label

Origin

Shanghai China

HS Code

7318150000

Production Capacity

3000000PCS/Month

Key features

Customizable Material Options: Supports Stainless Steel 304/316, Carbon Steel, Alloy Steel, Aluminum, Brass, and Titanium.

Flexible Customization Service: OEM/ODM welcome with full customization for size, finish, and detailed requirements.

Wide Shank Diameter Range: Customizable shank diameter from M1.7 to M30 to meet specific application needs.

High Salt Spray Resistance: Salt spray test duration ranges from 24 hours to 1000 hours for enhanced durability.

Multiple Head & Driver Types: Available in Flat, Oval, Truss, etc., with drivers like Phillips, Square, and Six-lobe.

Strict Quality Inspection: 100% visual and function inspection for finished products with professional machines.

Versatile Application Scope: Suitable for fixing items, material transmission, and large drill bit applications.

Professional Manufacturing: Equipped with cold forging, threading, and CNC precision machining capabilities.

Company profile

Quality Assurance100% Finished Products InspectionQA/QC InspectorsFull Customization

Shanghai Kinsom Precision Hardware Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company, Group Corporation CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2014-02-18 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is a manufacturing-oriented fastener and precision-machining supplier rather than a professional technical or 3D software design provider. It offers broad customization, including sample-based, design-based, full, minor, and flexible customization, and operates more than 10 production lines with multiple machining and forming machines. Finished-product inspection instructions are uniformly followed, with quality assurance and raw-material traceability identified. However, the supplier has no written procedures or records for supplier-service assessment, corrective and preventive actions, or customer complaint handling. It has no overseas agents, branches, warehouse, showroom, or offline trade-show participation. Financial records are indicated for 2022–2024, but no assessable financial results are provided. Innovation evidence is limited: no new products were reported in the past year, although ODM services are available. No certification or customer-case evidence is provided.

After-Sales capabilityThe supplier has in-stock service capacity and states that quality assurance and raw-material traceability are in place. However, it has no written procedures or records for corrective and preventive actions or effective customer-complaint handling, and it has no overseas agents, branches, warehouse, or showroom, limiting documented after-sales support infrastructure.

R&D capabilityThe supplier reports no new products during the past year, no SDK availability, and no professional technical-supplier or 3D software-design capability. It does provide ODM services and has one year of total R&D engineer experience reported, but the overall evidence does not demonstrate strong ongoing innovation capacity.

Production capacityThe supplier operates more than 10 production lines and lists diverse forming, machining, drilling, grinding, and cutting equipment for nails, screws, bolts, and CNC parts. It reports in-stock capacity, one-month average lead times in both peak and off-season periods, uniformly followed finished-product inspection instructions, and 11 years of export experience. However, it lacks a valid manufacturing-capacity contract with associated subcontractors, so the evidence supports substantial production capability but not fully controlled outsourced capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from customer designs, full customization, minor customization, and flexible customization. ODM service is also available, providing direct evidence of broad product customization capability despite the absence of 3D software design services.

Product Q&A

Q:What materials are available for these screws?

We offer Stainless Steel 304/316, Carbon Steel 45#/22A/10B21, Alloy Steel, Aluminum 5052/6063, Brass, and Titanium/Ti Alloy.

Q:Can the product size and finish be customized?

Yes, we provide full customization for shank diameter (M1.7-M30), overall length, surface treatment (Zinc, Nickel, Black Oxide, etc.), and specific design requirements.

Q:What is the lead time for orders?

The average lead time is one month for both peak season and off-season.

Q:What payment terms do you accept?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.

Q:How is the quality of the fasteners ensured?

We conduct 100% inspection (visual and function) on finished products using professional inspection machines and follow uniform instructions.