English
banner (1)

Black Flat Washer Wholesale - Manufacturers

As a dedicated supplier to wholesale buyers and manufacturers, I present our Black Flat Washer designed for durable load distribution and corrosion resistance. This part is essential for assembly lines and industrial hardware kits. I offer flexible MOQ, wholesale pricing, and fast lead times to support mass production. Made from high-grade carbon steel with black oxide finish for extra wear resistance, these washers provide reliable spacing and prevent thread damage. Available in a range of inner diameters and outer diameters to suit standard bolts, I can customize packaging and labeling for your distribution needs. With tight tolerances and consistent batch quality, our Black Flat Washer meets industry standards and reduces the risk of loosening under vibration. Turnkey supply options for OEM and private-label programs are also available to keep your inventory lean. If you're a manufacturer seeking dependable supply at scale, let's connect for a quote and seamless shipping.

Hot Selling Product

Black Flat Washer Manufacturer Your End-to-End Solution

As a leading black flat washer manufacturer, we provide an end-to-end solution tailored for global procurement teams. From material selection to final finish, we offer a broad range of sizes and thicknesses in steel, stainless steel, and alloy options, with coatings such as black oxide to meet corrosion resistance and appearance requirements. Our ISO-certified production ensures tight tolerances, uniform hardness, and reliable load performance, while scalable capacity supports both forecasted demand and sudden project surges. From design consultation and prototyping to mass production, inspection, packaging, and worldwide logistics, our end-to-end service minimizes risk and shortens procurement cycles. We provide transparent lead times, flexible MOQs, and global warehousing options to stabilize supply for multi-site deployments. With a diligent focus on quality control, traceability, and compliant sourcing, global buyers can achieve consistent quality, on-time delivery, and total cost efficiency across their washer needs.

{ Black Flat Washer Manufacturer Your End-to-End Solution}

Part Code OD (mm) ID (mm) Thickness (mm) Material Finish Hardness (HRC) Tensile Strength (MPa) Tolerance (mm) Standard Weight (g) Lead Time (days)
WS-01 12.0 6.0 1.60 Carbon Steel Black Oxide 45 470 ±0.05 DIN 125 0.9 5
WS-02 16.0 8.0 1.60 Stainless Steel 304 Satin Black (PVD) 36 520 ±0.05 DIN 125 1.4 6
WS-03 18.0 10.0 1.80 Carbon Steel Black Oxide 46 525 ±0.05 DIN 125 1.7 7
WS-04 22.0 10.0 2.00 Alloy Steel Black Oxide 42 550 ±0.05 DIN 125 2.1 8
WS-05 24.0 12.0 2.00 Stainless Steel 316 Blackened PVD 40 520 ±0.05 DIN 125 2.9 9
WS-06 28.0 14.0 2.50 Carbon Steel Black Oxide 44 540 ±0.05 DIN 125 4.9 11
WS-07 20.0 8.0 1.60 Brass Blackened Finish 30 260 ±0.05 ISO 7093-1 1.2 4
WS-08 30.0 15.0 2.20 Aluminum Alloy Anodized Black 20 250 ±0.08 ISO 7093-1 4.3 10
WS-09 32.0 16.0 2.50 Stainless Steel 304 Passivated Black 41 515 ±0.05 ISO 7089 5.8 12
WS-10 40.0 20.0 3.00 Carbon Steel Black Oxide 46 600 ±0.05 DIN 125 9.0 14

Related Products

IMG_3569

wholesale hex nuts with k nut with washer

Read More
IMG_6851

Pan Head with Ultra-Thin Washer Cross Self-Tapping Screws

65

Indented hex washer head screws supply

IMG_7696

high quality custom torx socket captive screw with washer

IMG_0396

terminal screws with square washer nickel for switch

1-captive-washer-screw

Phillips hex head captive washer screws supplier

IMG_6893

torx pan head waterproof screw with rubber washer

banner (3)

Black Flat Washer Is The Best in 2025

Data Dimension: Inventory Level vs. Average Unit Price Over Time

The chart presents two complementary metrics for a generic mechanical fastener component category over a 24-month period: Inventory Level (units on hand) and Average Unit Price (USD per item). The left axis represents inventory, while the right axis reflects price. The visualization demonstrates how stock levels and pricing interact and how procurement dynamics respond to supply and demand shifts in a standardized component market. Generally, higher inventory levels coincide with price adjustments that trend downward as supply becomes more abundant or as bulk purchasing discounts take effect. Conversely, when inventory tightens, prices can tighten or stabilize as suppliers balance limited stock with demand. The data also reveals seasonal or cyclical patterns; periodic increases in inventory often align with end-of-quarter procurement cycles or production planning milestones, while price movements may lag inventory changes due to contract terms and supplier lead times. The combination of these two series highlights the importance of synchronized sourcing strategies. By analyzing inventory alongside price, procurement teams can identify optimal ordering windows to minimize total cost and avoid stockouts. If inventory is rising without a corresponding price decrease, it may signal overstock risk or the need to renegotiate supplier terms. If prices drop as inventory grows, it may indicate favorable economies of scale or competitive pressure in the supply chain. The insights support more informed make-vs-buy decisions, better forecasting, and improved inventory control for standardized components such as flat washers.

Top Selling Products

  • Related Blog
  • Reviews
  • Reviews

  • Kelly 2022.12.25 09:24:38

    The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.

  • Florence 2022.12.21 15:57:24

    Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!

  • lucia 2022.12.20 07:00:58

    As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.

  • Sophia 2022.12.17 03:53:02

    The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.

  • Belle 2022.12.05 10:01:44

    Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!

  • Poppy 2022.12.04 18:02:21

    In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!

  • Polly 2022.12.28 16:29:01

    Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.

  • Karl 2022.12.26 05:20:56

    This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.

  • Cheryl 2022.12.13 19:00:41

    This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.

  • Christine 2022.12.07 06:05:01

    The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.

  • Bernice 2022.12.07 05:47:25

    This company can be well to meet our needs on product quantity and delivery time, so we always choose them when we have procurement requirements.

  • Federico Michael Di Marco 2022.12.07 02:23:57

    This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.

related search

Hit enter to search or ESC to close