Manufature Provide Stainless Steel Countersunk Head Socket Machine Screws
DIN7991
Dimensions : Millimeter (mm)
| Thread Specification d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 | |
| P | Pitch | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
| α | tol.(+2) | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 60° | 60° |
| b | L≤125mm | 12 | 14 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 42 | 46 | 50 | 54 |
| 125 | / | / | / | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | |
| L>200 | / | / | / | / | / | 45 | 49 | 53 | 57 | 61 | 65 | 69 | 73 | |
| dk | Max=Nominal | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 27 | 30 | 33 | 36 | 36 | 39 |
| Min | 5.7 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 35.38 | 38.38 | |
| ds | Max=Nominal | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| Min | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | |
| e | Min | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 | 11.43 | 13.72 | 13.72 | 16 | 16 |
| k | Max | 1.7 | 2.3 | 2.8 | 3.3 | 4.4 | 5.5 | 6.5 | 7 | 7.5 | 8 | 8.5 | 13.1 | 14 |
| s | Nominal | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 10 | 12 | 12 | 14 | 14 |
| Min | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 10.025 | 12.032 | 12.032 | 14.032 | 14.032 | |
| Max | 2.1 | 2.6 | 3.1 | 4.12 | 5.14 | 6.14 | 8.175 | 10.175 | 10.175 | 12.212 | 12.212 | 14.212 | 14.212 | |
| t | Max=Nominal | 1.2 | 1.8 | 2.3 | 2.5 | 3.5 | 4.4 | 4.6 | 4.8 | 5.3 | 5.5 | 5.9 | 8.8 | 10.3 |
| Min | 0.95 | 1.55 | 2.05 | 2.25 | 3.2 | 4.1 | 4.3 | 4.5 | 5 | 5.2 | 5.6 | 8.44 | 9.87 | |
| emin = 1.14 Smin | ||||||||||||||
Note : The data is for reference only .
SAMPLE CHARGE:
1.Samples charge: According to your request. Sampling time:5-7days
2.Samples charge: Free for Existing Mold. Sampling time:3days
ADVANTAGES:
1.Rapid Response;
2.Shortest Delivery;
3.Low MOQ;
2.Samples charge: Free for Existing Mold. Sampling time:3days
ADVANTAGES:
1.Rapid Response;
2.Shortest Delivery;
3.Low MOQ;
| CHEMICAL COMPONENTS | |||||||||
| Material | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni | Cr | Mo | Others |
| 201 | 0.15 | 1 | 5.5-7.5 | 0.06 | 0.03 | 3.5-5.5 | 16-18 | N≤0.25 | |
| 304 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-10.0 | 18-20 | ||
| 304L | 0.03 | 1 | 2 | 0.045 | 0.03 | 8.0-12.0 | 18-20 | ||
| 321 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-13.0 | 17-19 | Ti≤5*C% | |
| 316 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.0-14.0 | 16-18 | 2-3 | |
| 316L | 0.03 | 1 | 2 | 0.045 | 0.03 | 10.0-15.0 | 16-18 | 2-3 | |
| 309S | 0.08 | 1 | 2 | 0.045 | 0.03 | 12.0-15.0 | 22-24 | ||
| 410 | 0.15 | 1 | 0.03 | - | 11.5-13.5 | ||||
| 420 | 0.26-0.4 | 1 | 0.03 | - | 12-14 | ||||
| 430 | 0.12 | 0.75 | 1 | 0.04 | 0.03 | - | 16-18 | ||
FAQ:
Q: Are you trading company or manufacturer ?
A: We are manufacturer .
Q: How long is your delivery time?
A: Generally it is 7-15 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to specific item and quantity.
Shortest Delivery: We have large stock, 3 days for stock items,7-15days for production.
Q: Do you provide samples ? is it free or extra ?
Shortest Delivery: We have large stock, 3 days for stock items,7-15days for production.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the shipping cost.
Q: What is your terms of payment ?
A: Less than USD5000-----------100% T/T in advance.
More than USD5000-----------50% T/T in advance ,balance before shippment.
Other terms is welcome.
Q: What is your price terms ?
A: EXW/FOB/CIF/CFR/FCA/CPT/CIP/DAP/DDP
Q:What's your product range?
A: Our product range includes screws, nuts, knobs, bolts, washers, rivet, anchor and CNC parts. We strictly implement various quality standards like GB, ISO, DIN, JIS, AISI NFE and BSW.Non-standard products also accepted.
Q:Why should I choose you? What's your advantages? Industries you are serving?
A: We are a professional manufacturer and have many years production and management experience in the field of fasteners .We can provide our customers with a good solution in the area of production design, production process,packaging and after-sale service.Customer satisfaction is our sole pursuit.
Q: What is your terms of payment ?
A: Less than USD5000-----------100% T/T in advance.
More than USD5000-----------50% T/T in advance ,balance before shippment.
Other terms is welcome.
Q: What is your price terms ?
A: EXW/FOB/CIF/CFR/FCA/CPT/CIP/DAP/DDP
Q:What's your product range?
A: Our product range includes screws, nuts, knobs, bolts, washers, rivet, anchor and CNC parts. We strictly implement various quality standards like GB, ISO, DIN, JIS, AISI NFE and BSW.Non-standard products also accepted.
Q:Why should I choose you? What's your advantages? Industries you are serving?
A: We are a professional manufacturer and have many years production and management experience in the field of fasteners .We can provide our customers with a good solution in the area of production design, production process,packaging and after-sale service.Customer satisfaction is our sole pursuit.