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Particle Board Decorative Self Threading Metal Screws For Thick Steel Right Hand Threads

Categories Self Drilling Screws
Brand Name: crever
Model Number: DIN7504P
Certification: ISO
Place of Origin: Jiangsu, China
MOQ: Negotiable
Price: Negotiable
Payment Terms: T/T, L/C, D/P
Supply Ability: 400 ton per month
Delivery Time: 10-25 working days
Packaging Details: bulk packing, small box packing, packing as required
Material: C1022, SUS201, SUS410, SUS304, SUS316, A2-70, A2-80, A4-80
Coating: plain, black oxide, gray, paint, HDG, ruspert, nickel
Sizes: #4--#14 (2.9~6.3)
Thread: full thread, partical thread
Length: 3/8''~8'' (9.5mm~203mm)
Packing: bulk packing, small box packing, plastic bag packing
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Particle Board Decorative Self Threading Metal Screws For Thick Steel Right Hand Threads

Particle Board Decorative Self Threading Metal Screws For Thick Steel Right Hand Threads

1. Descriptions:


Sheet metal screws have a pointed end and widely spaced threads. They're self-starting in thin sheet metal, but in thicker materials a drilled hole is recommended.

Stainless steels are used for their corrosion resistance, high-temperature strength, scaling resistance, and low-temperature toughness. These properties account for their extremely wide use in practically every industry. Austenitic Stainless Steels are alloys of iron and carbon that contain between 16% and 30% Chromium, a maximum of 0.15% carbon, along with Nickel (or Manganese), and other alloying elements. The chromium, which helps develop a passive surface oxide film, provides corrosion resistance in stainless steels. Austenitic Stainless Steels are designated by a 3 digit SAE Stainless Steel Grade beginning with the number 3 (e.g. 304, 316). Another common naming convention for Austenitic Stainless Steels are 18/8, 18/10, 18/0, etc. where the 18 refers to the % of Chromium and 8 to the % of Nickel contained in the material.

Flat head fasteners are designed to fit flush to the surface when used with countersunk holes. Length is measured from the top of the head. The Phillips drive style was originally designed so that the driver would slip out under extreme torque, preventing over-tightening and damage to the fastener or the material. Self-Drilling Points are excellent for use with sheet metal.


2. Specifications:


1. Name: DIN7504P flat head self drilling screws, countersunk head tek screws

2. Grade: C1018, C1022, SUS201,SUS410,SUS304,SUS316,A2-70,A2-80,A4-80

3. Size: 2.9x10mm--6.3x200mm

4. Standard: DIN7504P

5. Certification: ISO9001, SGS, CTI, ROHS

Product Name
DIN7504P flat head self drilling screws
Material
stainless steel, carbon steel, alloy steel, brass and so on
Color
zinc plated Cr+6, zinc plated Cr+3, polished, HDG, ruspert, nickel
Standard
DIN GB ISO JIS BA ANSI
Grade
C1018, C1022, SUS201, SUS304, SUS316, A2-70, A2-80, A4-80
Sizes
#4x10mm---#14x200mm, 2.9x10mm--6.3x200mm
Thread Type
Type BSD, Type ASD, Type CSD, with wings, with cutting thread
Drive
philips, pozi, socket, hex, square, slotted, combined

3. Applications:

Self-drilling screws have hardened drill points that will drill and thread in structural steel, mild steel, aluminum and wood. These drill points are manufactured in the same method as the high speed drill bits. Self-drilling screws are available in a variety of finishes with unique product features to suit a wide range of environmental conditions.

  • For the fastening process in steel, they are used on steel frame construction or fastening other materials on steel.
  • For the fastening process in wood, they are used for applications in wood structures or industrial lightweight constructions, such as roof deck, flooring.
  • For the fastening process in aluminum, they are used for special industrial applications, construction and manufacturing of windows.
  • Widely applied for fastening in window or door frames purpose
  • Using in flat surfaces required and using in pre drilled holes.

4. Drawing Specifications:


Thread diaST2.9ST3.5ST3.9ST4.2ST4.8ST5.5ST6.3
P1.101.301.401.401.601.801.80
aMax1.101.301.401.401.601.801.80
DkMax5.506.807.508.109.5010.8012.40
Min5.206.447.147.749.1410.3711.97
k1.702.102.302.503.003.403.80
rMax1.101.401.501.601.902.102.40
Punch1.002.002.002.002.003.003.00
type HM3.004.204.604.705.106.807.10
QMin1.401.622.032.112.592.953.33
Max1.702.122.532.623.103.533.91
type ZM2.804.004.204.405.006.307.00
QMin1.481.601.852.052.642.723.38
Max1.732.062.312.513.103.183.84
Dp2.302.803.103.604.104.805.80

Self Drilling Screws, Type BSD – SAE J78-1998
Nominal Size orThreadsTtPMin. Practical NominalMinimum
Basic ScrewPer InchScrew LengthsTorsional
Diameter Formed PointsStrength
  Major DiameterMinor DiameterProtusion Allowance (lb.-in.)
  MinMaxMinMax#2 Pt.#3 Pt.90° HeadCsk Head90° HeadCsk HeadSteel Screws
  #2 Pt#2 Pt#3 Pt#3 Pt 
40.112240.1140.110.0860.0820.1635/163/814
60.138200.1390.1350.1040.0990.190.225/163/83/87/1624
7*0.151190.1530.1460.1130.1090.1370.1575/163/83/87/16
80.164180.1660.1610.1220.1160.2110.2513/87/167/161/242
100.19160.1890.1830.1410.1350.2350.37/161/21/29/1661
120.216140.2150.2090.1640.1570.2830.3531/25/81/25/892
1/40.25140.2460.240.1920.1850.3180.3931/25/81/25/8150
* Specs for #7 diameter drill screws are not included in SAE J78 at this time.

5. Advantages:


1.The Special technology treatment of the surface makes the product anti-corrosion , antirust and durable.

2.Exact forging standard of knife edge and high hardness of surface make it easy to drill.

3.Using the advanced technology to control the core hardness, avoiding rupture effectivity,

4. Quick self drilling , drilling , tapping, locking the oncce, and combining with the strength.

5. Save contruction time, improve working efficency.

6. Technology, professional manufacturing , quality assurance.


6. More pictures:



DIN7504P CSK HEAD SELF DRILLING TEK SCREWS


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