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socket head cap screws
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Inch Socket Head Cap Screws type, feature and standard

     Viewmold company is founded in Shenzhen, China in 1999.   Viewmold company is committed to providing reliable, safe and economic screws for global customers. Our screws have superior strength and advanced design
Joint reliability and safety with maximum strength and fatigue resistance. VIEWMOLDs socket cap screws offer this
VIEWMOLDs socket head cap screws strength levels achieve to 180,000 and 170,000 psi, it match to U.S. industry standard.
The higher tensile strength of Viewmolds socket screws can be translated into savings. Using fewer socket screws of the same size can achieve the same clamping force in the joint. A joint requiring twelve 1-3/8″ Grade 5 hex heads would need only 7 Viewmolds socket head cap screws. Use them size for size and there are fewer holes to drill and tap and fewer screws to buy and handle. Smaller diameter socket head cap screws vs. larger hex screws cost less to drill and tap, take less energy to drive, and there is also weight saving.
The size of the component parts can be reduced since the cylindrical heads of socket screws need less space than hex heads and require no additional wrench space.
Joints that are subject to external stress loading are susceptible to fatigue failure. VIEWMOLD socket screws have distinct advantages that give you an extra bonus of protection against this hazard.
Three major factors account for the greater fatigue resistance of Viewmolds socket screws − design improvements, mechanical properties and closely controlled manufacturing processes.
Socket Head Cap Screws feature

Deep, accurate socket for high torque wrenching. Knurls for easier handling.
Marked for easier identification.

Head with increased bearing area for greater loading carrying capacity.
Precision forged for symmetrical grain flow, maximum strength.


Elliptical fillet doubles fatigue life at critical head-shank juncture.

3-R (radiused-root runout) increases fatigue life in this critical.
head-shank juncture.
Socket Head Cap Screws detail Socket Head Cap Screws detail
Note sharp angle at root where high stress concentration soon develops crack which penetrates into body of the screw.
Controlled radius of runout root provides a smooth form that distributes stress and increases fatigue life of thread run-out as a much as 300% in certain sizes.
figure




Fully formed radiused thread increases fatigue life 100% over flat root thread forms.
Controlled heat treatment produces maximum strength without brittleness.
head-shank juncture.



Socket Head Cap Screws
Socket Head Cap Screws
   Accurate control of socket depth give more wrench engagement than other screws, permits full tightening without cracking or reaming the socket, yet provides ample metal in the crucial fillet area for maximum head strength.
Flat Head Socket Screws
Flat Head Socket Screws
   Controlled head forging, uniform grain flow, unbroken flow lines; makes heads stronger; minimizes failure in vital fillet area; adds to fatigue strength.
SOCKET SET SCREWS
SOCKET SET SCREWS
  Contour-following flow lines provide extra shear strength in threads, resist stripping and provide high fatigue resistance.The large root radius VIEWMOLD socket screw development doubles fatigue life compared to flat root thread forms.
Socket Head Cap Screws detail UNC_UNF socket head cap screw detail type_size
SHCS screws
from NO.#0 to 3 INCH
socket head cap screw-SHCS-UNF-NO#-80
SHCS NO. #0
SHCS NO. #0 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
OK
SHCS NO. #1
SHCS NO. #1 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNC-NO2#56
SHCS NO. #2
SHCS NO. #2 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
OK
SHCS NO. #3
SHCS NO. #3 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNC-NO4#40
SHCS NO. #4
SHCS NO. #4 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
OK
SHCS NO. #5
SHCS NO. #5 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNC-NO6-32
SHCS NO. #6
SHCS NO. #6 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNC-NO8-32
SHCS NO. #8
SHCS NO. #8 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNF-NO10-24
SHCS NO. #10
SHCS NO. #10 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNF-1/4-28
SHCS 1/4 inch
SHCS 1/4 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNF-5/16-24
SHCS 5/16 inch
SHCS 5/16 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
Osocket head cap screw-SHCS-UNF-3/8-24
SHCS 3/8 inch
SHCS 3/8 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNF-7/16
SHCS 7/16 inch
SHCS 7/16 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNF-1/2-20
SHCS 1/2 inch
SHCS 1/2 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
OK
SHCS 9/16 inch
SHCS 9/16 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNF-5/8-18
SHCS 5/8 inch
SHCS 5/8 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNC-3/4-10
SHCS 3/4 inch
SHCS 3/4 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
OK
SHCS 7/8 inch
SHCS 7/8 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
socket head cap screw-SHCS-UNC-1-8
SHCS 1 inch
SHCS 1 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
OK
SHCS 1-1/8 inch
SHCS 1-1/8 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
OK
SHCS 1-1/4 inch
SHCS 1-1/4 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
OK
SHCS 1-3/8 inch
SHCS 1-3/8 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel
OK
SHCS 1-1/2 inch
SHCS 1-1/2 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel .
OK
SHCS 1-3/4 inch
SHCS 1-3/4 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel .
OK
SHCS 2 inch
SHCS 2 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel .
OK
SHCS 2-1/4 inch
SHCS 2-1/4 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel .
OK
SHCS 2-1/2 inch
SHCS 2-1/2 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel .
OK
SHCS 2-3/4 inch
SHCS 2-3/4 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel .
OK
SHCS 3 inch
SHCS 3 UNC screws with alloy steel and stainless steel, UNF screws with alloy steel and stainless steel .
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