DIN653 M4 Stainless Steel Knob Screw 316 304 Flat Head Knurled Thumb Screw
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Product Details
| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Round Head |
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Basic Info.
- 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
- Cuotomized
- 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
Packaging & Delivery
- Package Size
- 10.00cm * 10.00cm * 5.00cm
- Package Gross Weight
- 0.500kg
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. |
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








| 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. |
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