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Brand Name : XGFH
Model Number : DIN7991
Certification : ISO9001,EN10204 3.1Certificate
Place of Origin : China
MOQ : 100pcs
Price : 0.01-2.5usd/pc
Payment Terms : T/T, L/C
Supply Ability : 100000pcs per month
Delivery Time : 5-15 work days
Packaging Details : 25kg per carbon box and then pallet.
Standard : DIN7991
Name : Hex Socket Flat Head Screws
Material : Alloy Steel
Grade : Class 12.9
Finish : Delta
Drive : Hex Socket
Thread : Full Thread
Head Type : Countersunk head
Thread Type : Coarse
HS CODE : 731815.9000
Product Description:
Made from alloy steel, these screws are nearly twice as strong as stainless steel flat head screws. They're angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Surface Treatment:
Delta Protekt KL100
Product Drawing:
Hexagon socket countersunk head cap screws | |||||||||||||
DIN 7991-1986 | |||||||||||||
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d(mm) | P(mm) | b(mm) | dk(mm) | ds(mm) | k(mm) | s(mm) | t(mm) | ||||||
L≤125 | 125<L≤200 | L>200 | min | max | min | max | max | min | max | min | max | ||
M3 | 0.5 | 12 | / | / | 5.7 | 6 | 2.86 | 3 | 1.7 | 2.02 | 2.1 | 0.95 | 1.2 |
M4 | 0.7 | 14 | / | / | 7.64 | 8 | 3.82 | 4 | 2.3 | 2.52 | 2.6 | 1.55 | 1.8 |
M5 | 0.8 | 16 | / | / | 9.64 | 10 | 4.82 | 5 | 2.8 | 3.02 | 3.1 | 2.05 | 2.3 |
M6 | 1 | 18 | 24 | / | 11.57 | 12 | 5.82 | 6 | 3.3 | 4.02 | 4.12 | 2.25 | 2.5 |
M8 | 1.25 | 22 | 28 | / | 15.57 | 16 | 7.78 | 8 | 4.4 | 5.02 | 5.14 | 3.2 | 3.5 |
M10 | 1.5 | 26 | 32 | 45 | 19.48 | 20 | 9.78 | 10 | 5.5 | 6.02 | 7.175 | 4.1 | 4.4 |
M12 | 1.75 | 30 | 36 | 49 | 23.48 | 24 | 11.73 | 12 | 6.5 | 8.025 | 8.175 | 4.3 | 4.6 |
M14 | 2 | 34 | 40 | 53 | 26.48 | 27 | 13.73 | 14 | 7 | 10.025 | 10.175 | 4.5 | 4.8 |
M16 | 2 | 38 | 44 | 57 | 29.48 | 30 | 15.73 | 16 | 7.5 | 10.025 | 10.175 | 5 | 5.3 |
M18 | 2.5 | 42 | 48 | 61 | 32.38 | 33 | 17.73 | 18 | 8 | 12.032 | 12.212 | 5.2 | 5.5 |
M20 | 2.5 | 46 | 52 | 65 | 35.38 | 36 | 19.67 | 20 | 8.5 | 12.032 | 12.212 | 5.6 | 5.9 |
M22 | 2.5 | 50 | 56 | 69 | 35.38 | 36 | 21.67 | 22 | 13.1 | 14.032 | 14.212 | 8.44 | 8.8 |
M24 | 3 | 54 | 60 | 73 | 38.38 | 39 | 23.67 | 24 | 14 | 14.032 | 14.212 | 9.87 | 10.3 |
Product Features:
Socket cap screws are commonly used in machine parts,die fixturing and clamping.
The flat socket head enables driving where there is not sufficient space for wrenches or sockets,and allows the screw head to sit flush with the surface.
Production Workshop:
Product Warehouse:
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DIN7991 Delta Protekt KL100 high strength steel bolts Hex Flat Socket Cap Head Screws Images |