Little Size SEMS Screw / Combination Screw Composed of Allen Cap Head Screw , A Flat Wahser & a Spring Washer
Brand Name:FLRS
Certification:ISO9001
Model Number:FLRS-SEMS002
Minimum Order Quantity:1000pieces
Delivery Time:Base on The Quantity(normally 8-30days)
Place of Origin:China
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No.3939 Eurasian Ave., Chanba Ecological District, Xi'an, China
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Product Details
Little Size SEMS Screw Composed of Allen Cap Head Screw, a Flat Wahser & a Spring
Washer
Hex socket combination screws are usually composed of hex socket cup head screws, and the spring washer is fastened together with the flat washer. The cylindrical head hexagon socket combination screw is widely used among all screws and has relatively high requirements. The advantage is that the fastening force is relatively large, and it can be operated with an hexagon wrench. It is very convenient to install and can be used in almost all structures. The appearance is beautiful and neat. The disadvantage is that the fastening force is slightly lower than that of the outer hexagon. In addition, the hexagon socket is easily damaged by repeated use, making it impossible to disassemble.
Basic Info.
Model NO.
FLRS-SEMS002
Connection
Common Bolt
Head Style
Cylindrical
Standard
DIN
Grade
A2-70 A4-70
Product Name
SEMS Screws
Drawing
Accept
Sample
Free Sample When It Is in Stock
Thread
UNC, UNF
Service
Custom-Made Service
Color
Natural
Delivery Time
Base on The Quantity
Size Standard
Metric/Inch
Price
Base on The Size, Material, Quantity
Payment Term
EXW, DAP, FOB, CIF, etc.
Quality
100% After Inspection
Non-Standard Sample Time
7 -10 Days
Material Test Certificate
Have
Go-No Go Gauges Test
Yes
Transport Package
Plastic Bags and Cartons
Specification
M2-M8
Trademark
As customer's request
Origin
China
HS Code
7318159090
Production Capacity
5 mt/ Month
Product Description
| Standard | Three Combinations of DIN912 |
| Size | Diameter M2-8 ; Length 5-80mm |
| Sample service | Free sample but freight cost is paid by customers(when sample is in stock), Otherwise need customer to pay for sample |
| Material | Stainless steel SS304,SS316 |
| MOQ | 1000 pieces |
| Finish | Plain |
| Package | Plastic bag, Boxes and cartons, Pallets, Customized |
| Price terms | EXW, FOB, CIF, etc. |
| Payment terms | T/T, L/C etc. |
1.Drawing
Made from stainless steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
2.Size
| Screw Thread d | M1.4 | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | |
| P | PitchCoarse thread | 0.3 | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 |
| b | Ref. | 14 | 15 | 16 | 17 | 18 | 20 | 22 | 24 | 28 | 32 | 36 | 40 |
| dk | plain head max | 2.6 | 3 | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | 16 | 18 | 21 |
| knurled heads max | 2.74 | 3.14 | 3.98 | 4.68 | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | 16.27 | 18.27 | 21.33 | |
| min | 2.46 | 2.86 | 3.62 | 4.32 | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | |
| da | max | 1.8 | 2 | 2.6 | 3.1 | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 |
| ds | max | 1.4 | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 |
| min | 1.26 | 1.46 | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | |
| e | min | 1.5 | 1.73 | 1.73 | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 | 13.72 |
| k | max | 1.4 | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 |
| min | 1.26 | 1.46 | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | 11.57 | 13.57 | |
| s | Nominal Size | 1.3 | 1.5 | 1.5 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 |
| min | 1.32 | 1.52 | 1.52 | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 12.032 | |
| max | 1.36 | 1.56 | 1.56 | 2.06 | 2.58 | 3.08 | 4.095 | 5.14 | 6.14 | 8.175 | 10.175 | 12.212 | |
| t | min | 0.6 | 0.7 | 1 | 1.1 | 1.3 | 2 | 2.5 | 3 | 4 | 5 | 6 | 7 |
| w | min | 0.5 | 0.55 | 0.55 | 0.85 | 1.15 | 1.4 | 1.9 | 2.3 | 3 | 4 | 4.8 | 5.8 |
3. pictures
Little Size SEMS Screw / Combination Screw Composed of Allen Cap Head Screw , A Flat Wahser & a Spring Washer
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