High Quality DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw
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Product Highlights
- Wide Material Selection: Available in Carbon Steel, Stainless Steel (304/316), Brass, and Alloy Steel.
- Custom Surface Finish: Options include Plain, Zinc Plated (Blue/White/Black/Yellow), and more.
- OEM/ODM Service: Supports custom packaging, labeling, and production from samples or drawings.
- Strict Quality Control: ISO 9001 certified with torque, hardness, and salt spray testing for every batch.
- Flexible MOQ: Minimum Order Quantity is negotiable to suit different business needs.
- Fast Lead Time: Standard lead time is 15-30 days; off-season delivery within 15 workdays.
- Free Samples: Free or low-cost samples available for quality and dimension confirmation.
- Comprehensive Standards: Meets DIN, ISO, ANSI, GB, and other international fastener standards.
Product Attributes
- Customization
- Available
- Material
- Stainless Steel
- Type
- Round Head
- Model NO.
- DIN653
- Connection
- Common Bolt
- Head Style
- Round
- Standard
- DIN
- Grade
- 8.8
- Price
- Factory Price
- Quality
- 100% Tested
- Service
- One-Stop Service
- Thread
- Unc, Unf, Un, Metric Coarse, Fine
- Surface
- Plain, Zinc Plated (Blue, White, Black, Yellow), N
- Lead Time
- 15-30 Days
- Package
- Standard Package or Customer's Packing
- Box
- Customer's Brand Box/Plain Box
- MOQ
- Can Be Negotiated
- Shipment
- by Sea / Truck / Plane / Express
- Exterior Finish
- Customized
- Sample
- Available
- Customized
- Available
- Online Sales
- 24 Hours Online
- OEM/ODM
- Available
- Transport Package
- Bulk Packaging, Small Box(Glue Box, Color Box)
- Specification
- M1-M10
- Trademark
- Mianxuan, Customized
- Origin
- Ningbo, China
- HS Code
- 7318151001
- Production Capacity
- 10000tons/Year
- Package Size
- 10.00cm * 10.00cm * 5.00cm
- Package Gross Weight
- 0.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of High Quality DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw
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High Quality DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw -
High Quality DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw -
High Quality DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw -
High Quality DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw -
High Quality DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw -
High Quality DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw -
High Quality DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw
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Product Description
DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Adjustable Knurled Thumb Screw
| Stainless Steel Knurled Thumb Screw | |
| Material: | Carbon Steel, Stainless Steel, Brass etc. |
| Standards: | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC |
| Size: | M1-M10 or non-standard asa request & design |
| Finish: | Plain, Black, Zinc, Yellow Zinc, HDG, Geomet, Dacromet, etc. |
| Thread Size d |
M1 | M1.2 | M1.4 | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | |
| P | Pitch | 0.25 | 0.25 | 0.3 | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
| a | max | 0.75 | 0.75 | 0.9 | 1.05 | 1.2 | 1.35 | 1.5 | 2.1 | 2.4 | 3 | 3.75 | 4.5 |
| c | - | - | - | - | - | 0.3 | 0.3 | 0.4 | 0.4 | 0.5 | 0.6 | 0.8 | |
| dk | Nominal Size | 5.5 | 6 | 7 | 7.5 | 9 | 11 | 12 | 16 | 20 | 24 | 30 | 36 |
| max | 5.74 | 6.24 | 7.29 | 7.79 | 9.29 | 11.35 | 12.35 | 16.35 | 20.42 | 24.42 | 30.42 | 36.5 | |
| min | 5.26 | 5.76 | 6.71 | 7.29 | 8.71 | 10.65 | 11.65 | 15.65 | 19.58 | 23.58 | 29.58 | 35.5 | |
| ds | max=nominal size | - | - | - | - | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 |
| min | - | - | - | - | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | |
| e | - | - | - | - | 1.5 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | |
| k | max | 1.5 | 1.5 | 2 | 2 | 2 | 2.5 | 2.5 | 3.5 | 4 | 5 | 6 | 8 |
| min | 1.25 | 1.25 | 1.75 | 1.75 | 1.75 | 2.25 | 2.25 | 3.2 | 3.7 | 4.7 | 5.7 | 7.64 | |
| r | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 1 | 1 | 2 | 2 | |
| Knurled pitch | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | |
Need more size, don't hesitate to get in touch with us
Bolt: DIN933, DIN931, DIN912, DIN603, DIN7985, DIN7991, DIN6921, ASME/ANSI B 18.2.1, ASME/ANSI B18.2.3.1 M, GB, BSW, ISO Hex bolt, carriage bolt, heavy hex bolt, flange head bolt, anchor bolt, etc
Nut: DIN934, DIN6923, DIN985, ISO4032 hex heavy hex nut, 2H nut, A563 / A563M cap nut, nylon nut, etc
Rod: threaded rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect
Screw: hex screw, DIN912; self-drilling screw, DIN7504; self-tapping screw, DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw, furniture screw, wood screw, etc
Washer: flat washer DIN125, spring washer DIN127, lock washer, square washer, spring lock washer, plain washer, etc
Nut: DIN934, DIN6923, DIN985, ISO4032 hex heavy hex nut, 2H nut, A563 / A563M cap nut, nylon nut, etc
Rod: threaded rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect
Screw: hex screw, DIN912; self-drilling screw, DIN7504; self-tapping screw, DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw, furniture screw, wood screw, etc
Washer: flat washer DIN125, spring washer DIN127, lock washer, square washer, spring lock washer, plain washer, etc
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| Q1: What types of screws do you manufacture? |
| A1: We produce a full range of industrial screws including self-tapping screws, self-drilling screws, machine screws, wood screws, drywall screws, concrete screws, and customized non-standard screws. |
| Q2: What materials are available for your screws? |
| A2: Our screws are available in carbon steel (C1022, C1018), stainless steel (A2/304, A4/316), hardened steel, alloy steel, and brass. Material selection depends on tensile strength and corrosion-resistance requirements. |
| Q3: Do you provide samples before mass production? |
| A3: Yes, we offer free or low-cost samples for quality and dimension confirmation prior to order. |
| Q4: How do you control product quality? |
| A4: Every batch is tested for torque, hardness, thread precision, and salt spray corrosion resistance, following ISO 9001 quality system standards. |
| Q5: Do you offer OEM or customized production? |
| A5: Yes. We can produce screws according to samples, technical drawings, or specific drive/head combinations, and offer custom packaging and labeling. |
| Q6: What is the tolerance and precision level of your threads? |
| A6: We use automated thread rolling with precision tooling. Thread tolerance typically meets 6g / 6H and can be customized for special fitting requirements. |
| Q7: Will stainless steel bolts rust over time? |
| A7: Under severe chemical or chloride exposure, A2 may develop slight surface corrosion. A4/316 performs better in harsh environments. We also offer passivation treatment for enhanced protection. |
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR263332". Items marked "
" are certified.
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Company Profile
Ningbo Mianxuan Imp. & Exp. Co., Ltd. Is an industrial and trade enterprise integrating the development, design, production and sales of Vehicles Parts and Accessories, CNC Machining, Metal Stamping, Fasteners, Plastic and Rubber Parts etc.
Providing customers with one-stop supply chain services is our main business. Keep customers satisfied is our enterprise purpose. Radiation Europe, the United States, Australia, UK and other countries and regions, with good customer resources and channels. We use products and services to connect customers and needs and empower brands. We are driven by the market and customer needs to build and seize incremental markets and win the future with customers.
With quality control system of ISO/TS 16949: 2009, the company has equipped with a full range of advanced testing equipment and also own several experienced engineers and quality controllers, which can ensure that the product quality is effectively controlled in the whole production process. Effective inspection report with corresponding material certificate will be provided for each shipment.
About Our Factory & Business Background
- Address
- 2806 Hebang Building A Ningbo, Zhejiang, China
- Terms of Payment
- LC, T/T, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Ningbo, Zhapu, Shanghai
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2014-07-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What types of screws do you manufacture?
- We produce a full range of industrial screws including self-tapping screws, self-drilling screws, machine screws, wood screws, drywall screws, concrete screws, and customized non-standard screws.
- What materials are available for your screws?
- Our screws are available in carbon steel (C1022, C1018), stainless steel (A2/304, A4/316), hardened steel, alloy steel, and brass. Material selection depends on tensile strength and corrosion-resistance requirements.
- Do you provide samples before mass production?
- Yes, we offer free or low-cost samples for quality and dimension confirmation prior to order.
- How do you control product quality?
- Every batch is tested for torque, hardness, thread precision, and salt spray corrosion resistance, following ISO 9001 quality system standards.
- Do you offer OEM or customized production?
- Yes. We can produce screws according to samples, technical drawings, or specific drive/head combinations, and offer custom packaging and labeling.
- What is the tolerance and precision level of your threads?
- We use automated thread rolling with precision tooling. Thread tolerance typically meets 6g / 6H and can be customized for special fitting requirements.
- Will stainless steel bolts rust over time?
- Under severe chemical or chloride exposure, A2 may develop slight surface corrosion. A4/316 performs better in harsh environments. We also offer passivation treatment for enhanced protection.
Send your message to this supplier
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