Butterfly Wing Screws
Standard: DIN 316
Thread Type: Coarse Thread
Commodity: Butterfly Wing Screws
Also Named: Screw With Wings
Material: Carbon Steel
Form: Round
Diameter: M4, M5, M6, M8, M10, M12, M16, M20, M24
Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: With Wing
Drive Type: With Hand
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 butterfly wing screws in China. Please feel free to buy high quality butterfly wing screws made in China here from our factory. For price consultation, contact us.

As a global supplier of customized fastening solutions, AYA's senvice 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 | Butterfly Wing Screws |
Also Named | Screw With Wings |
Material | Carbon Steel |
Form | Round |
Standard | DIN 316 |
Alternative Standard | UNI 5449 |
Diameter | M4, M5, M6, M8, M10, M12, M16, M20, M24 |
Finish | Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Head Type | With Wing |
Drive Type | With Hand |
Thread Type | Coarse Thread |
Some of the above standards may be approximately equivalent. If there is any objection, the original standard shall prevail | |
DIMENSIONS TABLE

| Specifications | ||||||||||
| d | M4 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24 | |
| P | Pitch | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 |
| d2 | max | 8 | 11 | 13 | 16 | 20 | 23 | 29 | 35 | 44 |
| min | 6 | 8 | 10 | 13 | 17 | 20 | 26 | 32 | 41 | |
| d3 | max | 7 | 9 | 11 | 12.5 | 16.5 | 19.5 | 23 | 29 | 37.5 |
| min | 5.5 | 7.5 | 9 | 10.5 | 14.5 | 17.5 | 21 | 27 | 35 | |
| e | max | 20 | 26 | 33 | 39 | 51 | 65 | 73 | 90 | 110 |
| min | 18 | 24 | 30 | 36 | 48 | 62 | 70 | 86 | 106 | |
| g | max | 1.9 | 2.3 | 2.3 | 2.8 | 4.4 | 4.9 | 6.4 | 6.9 | 9.4 |
| min | 1.1 | 1.5 | 1.5 | 2 | 3.6 | 4.1 | 5.6 | 6.1 | 8.6 | |
| G | max | 2.3 | 2.8 | 3.3 | 4.4 | 5.4 | 6.4 | 7.5 | 8 | 10.5 |
| min | 1.7 | 2.3 | 2.7 | 3.6 | 4.6 | 5.6 | 6.5 | 7 | 9.5 | |
| h | max | 10.5 | 13 | 17 | 20 | 25 | 33.5 | 37.5 | 46.5 | 56.5 |
| min | 8.5 | 11 | 15 | 18 | 23 | 31 | 35 | 44 | 53.5 | |
| m | max | 4.6 | 6.5 | 8 | 10 | 12 | 14 | 17 | 21 | 25 |
| min | 3.2 | 4 | 5 | 6.5 | 8 | 10 | 13 | 16 | 20 | |
| a | max | 2.1 | 2.4 | 3 | 4 | 4.5 | 5.3 | 6 | 7.5 | 9 |
| r1 | ≈ | 3 | 4 | 5 | 6 | 8 | 10 | 11 | 14 | 18 |
| r2 | ≈ | / | / | / | / | 1 | 1 | 1.2 | 1.6 | 2.5 |
| r3 | ≈ | 0.5 | 1 | 1 | 1 | 1.2 | 1.2 | 1.6 | 2 | 2.5 |
| r4 | ≈ | 2 | 2.5 | 3 | 3 | 5 | 6 | 7 | 8 | C |
PRODUCT DETAILS

PRODUCT ADVANTAGES

ADVANTAGES OF Butterfly Wing Screws
1. The main advantage of butterfly wing screws is their ease of installation and removal process.
2. The presence of wings in the butterfly wing screws helps the operator to grip and tighten easily.
3. The screw with wings are commonly used in architectural applications to allow direct user adjustments and calibration changes.
4. The flat raised "head" provides a natural lever turn and ensures that the pressure on the fingers is evenly distributed without pain when adjusting the instrument.
5. If you have questions about fasteners? AYA's team of experts is here to help.
QUALITY INSPECTION

1. Raw materials quality will be under strict control from the initial stage of the products R&D to the final production.
2. All production procedures will be supervised by QC inspectors to ensure that the final products are able to meet customers' expectations.
3. Experienced QC staff can provide customers with accurate quality inspection reports.
PACKAGING & CONTAINER LOADING

1. AYA's design team can meet customers' unique needs for labels.
2. AYA has always attached great importance to the R&D of the packaging to improve the appearance as well as the durability in the process of shipment.
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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