Colored 10 Mm Hex Flange Head Self Drilling Screws , Metal Roofing Screws With Washers
Brand Name:Crever
Certification:ISO
Model Number:3.5x10--6.3x200mm
Minimum Order Quantity:Negotiable
Delivery Time:10-25 working days
Payment Terms:T/T, L/C, D/P
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Suzhou Jiangsu China
Address:
Rongda Industrial Park, Xinhua Road, Wangting Town, Suzhou City, China
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Colored 10 Mm Hex Flange Head Self Drilling Screws , Metal Roofing Screws With Washers
1. Descriptions:
1. Name: DIN7504K hex washer head self drilling screws, roofing screws
2. Grade: C1018, C1022, SUS201,SUS410,SUS304,SUS316,A2-70,A2-80,A4-80
3. Size: 3.5mmx10mm--6.3x200mm
4. Standard: DIN7504K
5. Certification: ISO9001, SGS, CTI, ROHS
6. Thread: full thread, half thread
7. Groove: philips, pozi, socket, hex, square, slotted, combined
| Size | Diameter:ST3.5--ST6.3 | |
| Length: from 10mm--200mm | ||
| Material | 1.Stainless steel | SUS201,304,316,410 |
| 2.Carbon steel | C1018,C1022,C10B21,C10B33,C1035,C1045,C435#,40CrMo,42CrMo | |
| 3. Alloy steel | SCM435,C10B21,C10B33 | |
| 4. Iron | 1213,12L,1215, etc. | |
| Standard | DIN7504k | |
| Application | Building,Industry,Furniture,Sanitary,Electronics,Traffic. | |
2. Applications:
Self Drilling screws, which the tail is sharp end or the drill,.
Without the aid of processing, the screws can be set up on the base
material, direct drilling, tapping, locking, significant which can
save much construction time. For more common screws, the screws
maintain high power. After long time of the combination is not
loose, the use of safe drilling tapping once simple operation.
They are mainly used in steel steel tile fixing can also be used for sheet simple building fixed. It can not be used for metal to metal bonded and fixed.
3. Features:
Self tapping drill point is designed for penetration into heavy
gauge metal
Hex head provides maximum driving torque with a flat bearing
surface
Also available with #3 point
4. Technical Data of drilling screws:
| Tensile strength kgf (Min) | |||||
| Items | The steel board | #12 (dia.5.5mm) | #14 (dia.6.3mm) | ||
| 1 | thickness | No.3 drill Point | No.5 drill Point | No.3 drill Point | No.5 drill Point |
| 2 | 6mm thick steel board | 12mm thick steel board | 6mm thick steel board | 12mm thick steel board | |
| 3 | 2 | 300 | -- | 310 | -- |
| 4 | 3 | 530 | -- | 580 | -- |
| 5 | 4 | 780 | -- | 800 | -- |
| 6 | 6 | 810 | -- | 900 | -- |
| 7 | 10 | -- | 920 | -- | 1050 |
| 8 | 12 | -- | 920 | -- | 1050 |
| Self tapping screw ASA TYPE AB(B) | |||||
| sizes | thread No/P(T) | outer dia. | rolling dia. | ||
| Max | Min | Max | Min | ||
| No.0 | 48 | 1.52 | 1.44 | 1.25 | 1.20 |
| No.1 | 42 | 1.90 | 1.82 | 1.60 | 1.55 |
| No.2 | 32 | 2.23 | 2.13 | 1.80 | 1.75 |
| No.3 | 28 | 2.56 | 2.46 | 2.05 | 2.00 |
| No.4 | 24 | 2.89 | 2.79 | 2.30 | 2.25 |
| No.5 | 20 | 3.30 | 3.20 | 2.60 | 2.55 |
| No.6 | 20 | 3.53 | 3.43 | 2.85 | 2.80 |
| No.7 | 19 | 3.91 | 3.78 | 3.15 | 3.10 |
| No.8 | 18 | 4.21 | 4.09 | 3.40 | 3.35 |
| No.10 | 16 | 4.80 | 4.65 | 3.90 | 3.85 |
| No.12 | 14 | 5.46 | 5.31 | 4.40 | 4.35 |
| 1 / 4 | 14 | 6.25 | 6.10 | 5.20 | 5.15 |
| 5 / 16 | 12 | 8.00 | 7.82 | 6.75 | 6.70 |
5 . Installation Guide:
- Insert the 8 or 10 mm (according to required size) hex head adapter into the drill motor. Center the adapter into the drill’s chuck to ensure that adaptor does not wander.
- Put on the safety glasses to protect your eyes.
- Inspect the hex end of the adaptor for cleanliness. If metal shavings are built up inside the tip, insert the drilling end of the screw into the cavity of the hex head while holding the trigger of the drill.
- Place a self-drilling screw into the hex head adapter.
- Depress the trigger of the drill slowly, while the drilling tip of the screw rests against the metal. Increase the speed of the drill when the screw finds its center.
- Stop drilling when the head of the self drilling screw tightens against the surface of the metal. If the drill you are using does not have a clutch, pay close attention to the screw head, as too much pressure will either snap the screw of strip the threads formed in the metal by the screw.
- Perform Step 3 before you install another self drilling screws
6. More pictures:
DIN7504K Painted head hex washer self drilling screws
Colored 10 Mm Hex Flange Head Self Drilling Screws , Metal Roofing Screws With Washers
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