# 10 X 1 '' Drilling Point Stainless Steel Security Screws Flat Head For Metal
Brand Name:crever
Certification:ISO
Model Number:DIN7504P
Minimum Order Quantity:Negotiable
Delivery Time:10-30 working days
Payment Terms:T/T, L/C, MoneyGram
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Suzhou Jiangsu China
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Rongda Industrial Park, Xinhua Road, Wangting Town, Suzhou City, China
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# 10 X 1 '' Drilling Point Stainless Steel Security Screws Flat Head For Metal
1. Descriptions:
Self drilling screws is a type of construction screws Masterpiece Hardware Industrial provided, which include hex washer head roof screws, pan head self drilling screw, flat head self drilling screws, hex washer flange wood roofing screws, round washer head self drilling screws, etc.
We are factory to produce these self drilling screws strictly according to the DIN7504P, DIN7504N, DIN7504K, DIN7504Q and so on. For any further inquiries about self drilling screws, please do not hesitate to contact us.
2. Specifications:
1. Name: DIN7504P flat head self drilling tek screws, Zinc plated
2. Grade: C1018, C1022, SUS201,SUS410,SUS304,SUS316,A2-70,A2-80,A4-80
3. Size: #4x3/8''~~#14x8''
4. Nibs: have nibs under head or not, both ok
5. Coating: zinc plated Cr+6, zinc plated Cr+3, ruspert 500 HRS, ruspert 1000 HRS
6. Thread Type: Type BSD, Type ASD, Type CSD, with wings, with flute, with Notch
7. Point: #1 point (#1PT)~~#5 point (#5PT)
8. Drive: philips, square, pozi, torx , slot , Combined
9. Packing: bulk packing, small box packing, plastic box packing, as customer requirements
| Size | Diameter:ST2.9--ST6.3 | |
| Length: from 9.5mm--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 | DIN7504P | |
| Application | Building,Industry,Furniture,Sanitary,Electronics,Traffic. | |
3. Self Drilling Screw Design Features:
When selecting a self-drilling screw, consider the material thicknesses and types of materials to be joined. Following are some key design features to look for when selecting suitable fasteners.
Drill Flutes allow drilled material to exit the hole. Completely embedded flutes can no longer remove these chips, which contain approximately 80% of the heat created by the drilling process. A buildup of this material can cause the point to over-heat and fail.
Point Length determines the material thickness which the screw can reliably penetrate.
The unthreaded portion of the point, (pilot section) must be able to completely drill through the material before the threads engage. If the threads engage before drilling is complete, the fastener can bind and break.
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4. Drawing Specifications:
| Thread dia | ST2.9 | ST3.5 | ST3.9 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ||
| P | 1.10 | 1.30 | 1.40 | 1.40 | 1.60 | 1.80 | 1.80 | ||
| a | Max | 1.10 | 1.30 | 1.40 | 1.40 | 1.60 | 1.80 | 1.80 | |
| Dk | Max | 5.50 | 6.80 | 7.50 | 8.10 | 9.50 | 10.80 | 12.40 | |
| Min | 5.20 | 6.44 | 7.14 | 7.74 | 9.14 | 10.37 | 11.97 | ||
| k | 1.70 | 2.10 | 2.30 | 2.50 | 3.00 | 3.40 | 3.80 | ||
| r | Max | 1.10 | 1.40 | 1.50 | 1.60 | 1.90 | 2.10 | 2.40 | |
| Punch | 1.00 | 2.00 | 2.00 | 2.00 | 2.00 | 3.00 | 3.00 | ||
| type H | M | 3.00 | 4.20 | 4.60 | 4.70 | 5.10 | 6.80 | 7.10 | |
| Q | Min | 1.40 | 1.62 | 2.03 | 2.11 | 2.59 | 2.95 | 3.33 | |
| Max | 1.70 | 2.12 | 2.53 | 2.62 | 3.10 | 3.53 | 3.91 | ||
| type Z | M | 2.80 | 4.00 | 4.20 | 4.40 | 5.00 | 6.30 | 7.00 | |
| Q | Min | 1.48 | 1.60 | 1.85 | 2.05 | 2.64 | 2.72 | 3.38 | |
| Max | 1.73 | 2.06 | 2.31 | 2.51 | 3.10 | 3.18 | 3.84 | ||
| Dp | 2.30 | 2.80 | 3.10 | 3.60 | 4.10 | 4.80 | 5.80 | ||
| COUNTERSUNK STEEL SELF-DRILLING SCREWS, TYPE CSD | |||||||||
| Nominal Size or Basic screw dia | Threads | D | P | Minimum Practical Nominal Screw | Minimum Torsional | ||||
| Per Inch | Major Diameter | Protrusion Allowance | Lengths, Countersunk Heads,Formed Points | Strength, lb.- in. | |||||
| Max | Min | #2 pt | #3 pt | #2 pt | #3 pt | (STEEL SCREWS ONLY) | |||
| 8 | 0.164 | 32 | 0.164 | 0.1586 | 0.162 | 0.202 | 7/16 | 1/2 | 48 |
| 10 | 0.19 | 24 | 0.19 | 0.1834 | 0.193 | 0.258 | 1/2 | 9/16 | 65 |
| 12 | 0.216 | 24 | 0.216 | 0.2094 | 0.223 | 0.293 | 5/8 | 5/8 | 100 |
| 1/4 | 0.25 | 20 | 0.25 | 0.2428 | 0.275 | 0.35 | 5/8 | 5/8 | 156 |
5. Advantages:
1. Quality control: we make 100% quality test during producing and before shipping
2. Rich experience: we have been export screws for more than 20 years
3. Competitive prices: the better quality, but cheaper prices
4. Timely quotation: send you prices within one day
5. Good services: we supply OEM, ODM,OBM services and best after-sale services
6. Punctual delivery: we can ship every order without delay
6. More pictures:
DIN7504P CSK HEAD SELF DRILLING TEK SCREWS
# 10 X 1 '' Drilling Point Stainless Steel Security Screws Flat Head For Metal
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