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High Tensile Screws
Sen Chang provide high-tensile screws with following series. A2-70~A2-100 A4-70~A4-100 To manufacture High-Tensile screws, harder steels and advanced technologies are needed. High-Tensile screws are not easy to produce and are our core products. Screws in this category are just a part of our high-tensile products. You can also find high-tensile products in other categories like Coating Screws.
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Flat Head #2 Square
HA013-120317-1
Process: Head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Square Rec depth, Square plug gauge GO/NO GO, Total length, Major diameter, Minor diameter, Thread angle, Pitch
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Trimming Dies Hex Head
HB003-110610-1
Process: Using multi blow header for head formation before using head-molding model to shape hex head and threading flat washer A2, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Across the flat and corner, Head height, Washer diameter, Washer height, Thread length, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Rec depth, Pozi plug gauge
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Indented Chamfered Hex Washer Head Bolt
HB003-131116-1
Process: Using multi blow header for head formation before using head-molding model to make the head be hex-shaped and threading flat washer A2, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Across the flat and corner, Head height, Washer diameter, Washer height, Total length, Thread length, Major diameter, Minor diameter, Thread angle, Pitch
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Indented Chamfered Hex Washer Head Bolt
HB003-150119-1
Process: Using multi blow header for head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Across the flat and corner of the hex, Washer diameter, Washer height, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/NO GO
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Indented Hex Bolt
Process: Head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Across the flat and corner of the hex, Hex Rec depth, Hex plug gauge, Total length, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO /NO GO
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Custom Hex Head Screw
HB003-150232-1
Process: Using multi blow header for head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Across the flat and corner of the hex, Head height, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/NO GO
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Bolt
HB003-150906-2
Process: Using multi blow header for head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Total length, Surface Roughness
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Chamfered Hex Washer Head Machine Thread
HB003-150925-1
Process: Using multi blow header for head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Across the flat and corner of the hex, Washer diameter, Washer height, Head height, Thread length, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/ NO GO
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Custom Fillister Head
HB003-151110-1
Process: Using multi blow header for head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, 6-lobe drive depth, Plug gauge GO, Grip gaging body diameter, Grip gaging length, Machine thread length, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/ NO GO
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Flat Internal Hex Head
HM008-090306-1
Process: Head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Across the flat and corner of the hex, Hex Rec depth, Hex plug gauge, Total length, Major diameter, Minor diameter, Thread angle, Pitch
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Internal Hex Head Screw
HT002-121119-1
Process: Head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Across the flat and corner of the hex, Hex Rec depth, Hex plug gauge, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage, Grip gaging length, Total length, Grip gaging body diameter, Thread length
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Chamfered Hex Washer Head
HV003-150417-1
Process: Using multi blow header for head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Across the flat and corner of the hex, Thread length, Drilling Tapping diameter, Drilling Tapping length, Total length, Major diameter, Minor diameter, Thread angle, Pitch