Washer Head Sheet Metal Screws
Standard: ANSI/ASME B 18.6.5M
Thread Type: Self-Tapping Thread
Commodity: Washer Head Sheet Metal Screws
Also Named: Metal Washers For Screws
Material: Carbon Steel
Form/Shape Of Tip: Type AB
Diameter: ST2.2, ST2.9, ST3.5, ST4.2, ST4.8, ST5.5, ST6.3, ST8, ST9.5
Finish: Plain, Black Oxide, Zinc Plated, Thick-Film Passivated(ZSML), Zinc Flake, Silver(ZFSHL), Hot Dipped Galvanized, Organic, Geomet, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Alternative Standard: ISO 10509, DIN 6928, DIN 7976, ASME B 18.6.3, ASME B 18.6.4, JIS B 1123, JIS B 1126, JIS B 1127
Head Type: Hexagon Head
Drive Type: Outer Hex
MOQ: 1000kgs
Lead Time: 30 to 60 days
Product Introduction
AYA Fasteners (Hebei) Co., Ltd. is one of the most experienced manufacturers and suppliers of washer head sheet metal screws in China. Please feel free to buy high quality washer head sheet metal screws made in China here from our factory. For price consultation, contact us.

As a global supplier of customized fastening solutions, AYA's service process is also as close to customers as AYA's products. From describing needs to follow-up services, AYA will promptly and spare no effort to help customers solve any fastening problems that arise, to eliminate the concern of customers.
PRODUCT DESCRIPTION
Product Name | Washer Head Sheet Metal Screws |
Also Named | Metal Washers For Screws |
Material | Carbon Steel |
Standard | ANSI/ASME B 18.6.5M |
Form/Shape Of Tip | Type AB |
Diameter | ST2.2, ST2.9, ST3.5, ST4.2, ST4.8, ST5.5, ST6.3, ST8, ST9.5 |
Finish | Plain, Black Oxide, Zinc Plated, Thick-Film Passivated(ZSML), Zinc Flake, Silver(ZFSHL), Hot Dipped Galvanized, Organic, Geomet, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Alternative Standard | DIN 7983, ASME B 18.6.3, ASME B 18.6.4, ASME B 18.6.5M, JIS B 1122 (O) |
Head Type | Hexagon Head |
Drive Type | Outer Hex |
Thread Type | Self-Tapping Screw Thread |
DIMENSIONS TABLE

| Screw Thread d | ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | ST9.5 | |
| P | Pitch | 0.8 | 1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 |
| s | max | 3 | 4 | 5 | 5.5 | 7 | 7 | 8 | 10 | 13 |
| min | 2.84 | 3.84 | 4.82 | 5.32 | 6.78 | 6.78 | 7.78 | 9.78 | 12.72 | |
| e | min | 3.16 | 4.27 | 5.36 | 5.92 | 7.55 | 7.55 | 8.66 | 10.89 | 14.16 |
| dk | max | 4.5 | 6.4 | 7.5 | 8.5 | 10 | 11.2 | 12.8 | 16.8 | 21 |
| min | 4.1 | 5.9 | 6.9 | 7.8 | 9.3 | 10.3 | 11.8 | 15.5 | 19.3 | |
| k | max | 2.2 | 3.2 | 3.8 | 4.3 | 5.2 | 6 | 6.7 | 8.6 | 10.7 |
| c | min | 0.3 | 0.4 | 0.5 | 0.6 | 0.6 | 0.8 | 1 | 1.2 | 1.4 |
| r | min | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.4 | 0.4 |
| b | min | 13 | 17 | 21 | 25 | 29 | 33 | 38 | 38 | 38 |
| Type of Thread and Point | AB,B,BF,BT | AB,B,BF,BT | AB,B,BF,BT | AB,B,BF,BT | AB,B,BF,BT | AB,B,BF,BT | AB,B,BF,BT | AB,B,BF,BT | AB,B,BF,BT | |
| Screw Thread d | M2 | M2.5 | M3 | M3.5 | M4 | M5 | M6 | M8 | M10 | |
| P | Pitch | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
| s | max | 3 | 3.2 | 4 | 5 | 5.5 | 7 | 8 | 10 | 13 |
| min | 2.84 | 3.04 | 3.84 | 4.82 | 5.32 | 6.78 | 7.78 | 9.78 | 12.72 | |
| e | min | 3.16 | 3.39 | 4.27 | 5.36 | 5.92 | 7.55 | 8.66 | 10.89 | 14.16 |
| dk | max | 4.5 | 5.4 | 6.4 | 7.5 | 8.5 | 10.6 | 12.8 | 16.8 | 21 |
| min | 4.1 | 5 | 5.9 | 6.9 | 7.8 | 9.8 | 11.8 | 15.5 | 19.3 | |
| k | max | 2.2 | 2.7 | 3.2 | 3.8 | 4.3 | 5.4 | 6.7 | 8.6 | 10.7 |
| c | min | 0.3 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 1 | 1.2 | 1.4 |
| r | min | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.3 | 0.4 | 0.4 |
| b | min | 12 | 15 | 18 | 21 | 24 | 30 | 38 | 38 | 38 |
| Type of Thread and Point | D,F,T | D,F,T | D,F,T | D,F,T | D,F,T | D,F,T | D,F,T | D,F,T | D,F,T | |
PRODUCT DETAILS

PRODUCT ADVANTAGES

ADVANTAGES OF Washer Head Sheet Metal Screws
1. It can attach the steel to any kind of items, plastics or steels.
2. Its impressive surface treatment brings a long service life.
3. Superb Piercing. It can be installed to the objects without putting too much pressures.
4. Quality steel for enduring lifetime.
5. Zinc covering for considerable corrosion resistance.
6. You could expect a factory direct price from AYA to help you win your local market.
QUALITY INSPECTION

PACKAGING & CONTAINER LOADING

USAGE SCENARIOS

WHY CHOOSE AYA?
AYA provides exclusive services to 1000+ members from all over the world every year, with a unique chain service solution system, you only need to click the mouse to get exclusive fastening solution and enjoy door-to-door services.
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