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Renewable Design for Self Drilling Window Screws - Black Phosphate Countersunk Rib Head Phillips Drive Drill Point with Wings Drywall Screw – Xinruifeng
● Countersunk Rib Head ● Fine Thread ● Phillips Drive ● M3.5(#6) M3.9(#7) M4.2(#8) M4.8(#10) ● From 13mm to 100mm ● 1022A ● Black/Grey phosphate; Yellow/White Zinc Plated; Nikel Plated 1. This kind of drywall screw is made according to DIN Standard. Strictly guarantee the quality of products. 2. The unique drill point, countersunk rib head, and with wings design gives it the following advantages: (1)No pre-drilling or pilot hole required. (2)Wings create a hole in the timber to prevent it fro... -
Free sample for Socket Set Screw Cup Point - Torx Drive Countersunk Chipboard Screw Zinc Plated with Saw Thread – Xinruifeng
Chipboard Screw: 1. Heat treatment: It is a method of heating steel to different temperatures and then using different cooling methods to achieve different purposes of changing the properties of steel. The commonly used heat treatments are: quenching, annealing, and tempering. What kind of effects will these three methods produce? 2. Quenching: A heat treatment method in which the steel is heated to above 942 degrees Celsius to make the steel crystals in austenitic state, and then immersed in... -
Wholesale Flat Head Self Drilling Screws - C1022 Black Full Thread Phillips Drive Drill Point Drywall Screws – Xinruifeng
Tianjin Xinruifeng Technology Co., Ltd., was established in 2008 and its business covers fastener design, manufacturing and export. We have 3 production bases, with a total area of 10,000+ square meters. Our main products include drywall screws, chipboard screws, self-drilling screws and self-tapping screws. We can also provide other fasteners, like nails, staples, blind rivets, anchors, bolts and nuts. We have 200+ sets of automatic production equipment, including wire drawing machines, cold... -
OEM/ODM Manufacturer Tek Screw - Bulge Head DIN Yulongjian Bulk and Box Package Coarse Thread Drywall Screw – Xinruifeng
Drywall screw: 1. Heat treatment: It is a method of heating steel to different temperatures and then using different cooling methods to achieve different purposes of changing the properties of steel. The commonly used heat treatments are: quenching, annealing, and tempering. What kind of effects will these three methods produce? 2. Quenching: A heat treatment method in which the steel is heated to above 942 degrees Celsius to make the steel crystals in austenitic state, and then immersed in c... -
Cheapest Price Black Machine Screws - Torx Drive Countersunk Chipboard Screw Zinc Plated with Saw Thread – Xinruifeng
Chipboard Screw: 1. Heat treatment: It is a method of heating steel to different temperatures and then using different cooling methods to achieve different purposes of changing the properties of steel. The commonly used heat treatments are: quenching, annealing, and tempering. What kind of effects will these three methods produce? 2. Quenching: A heat treatment method in which the steel is heated to above 942 degrees Celsius to make the steel crystals in austenitic state, and then immersed in... -
Wholesale Price China 6d Common Nail - Export Chinese Phillips No.2 Fillister Pan Framing Head Self Drilling Screw – Xinruifeng
1. Self-drilling screws have various names. They’re often called metal screws, sheet metal screws, tapping screws, or tapper screws. 2. Their tips come in different shapes: drill tail, pointed (like a pencil), blunt, or flat, and they are described as thread-forming, thread-cutting, or thread rolling. If the screw is pointed, it will be thread-cutting – tapping and creating threads in a pre-drilled hole. If the tip is flat, it is thread-rolling – rolling or extruding threads and creating zero... -
OEM China Self-Drilling Tapping Screws - Black Phosphate Countersunk Rib Head Phillips Drive Drill Point with Wings Drywall Screw – Xinruifeng
● Countersunk Rib Head ● Fine Thread ● Phillips Drive ● M3.5(#6) M3.9(#7) M4.2(#8) M4.8(#10) ● From 13mm to 100mm ● 1022A ● Black/Grey phosphate; Yellow/White Zinc Plated; Nikel Plated 1. This kind of drywall screw is made according to DIN Standard. Strictly guarantee the quality of products. 2. The unique drill point, countersunk rib head, and with wings design gives it the following advantages: (1)No pre-drilling or pilot hole required. (2)Wings create a hole in the timber to prevent it fro... -
Best Price on Self Cutting Screws - Black Bugle Head Fine Thread Twin Fast Drywall Screws – Xinruifeng
1. The Drywall Screw is characterized by a bugle head that features a flat top and a concave under-head bearing surface. For this reason, the Drywall Screw is also called Bugle Head Screw. This unique design enables the distribution of the bearing stress over a much wider area than is with a flat head screw. 2. The bugle head offers many benefits which are the followings: ● The bugle head screw has a smoother transition between the shank and the head, which avoids the material to get caught, ... -
Factory directly supply M4 Self Tapping Screw - China Manufacturer Fastners Hex Pan Head Zinc Plated Self Tapping Screw – Xinruifeng
Size(mm) Size(inch) Size(mm) Size(inch) Size(mm) Size(inch) Size(mm) Size(inch) 3.5*13 #6*1/2 3.5*65 #6*2-1/2 4.2*13 #8*1/2 4.2*102 #8*4 3.5*16 #6*5/8 3.5*75 #6*3 4.2*16 #8*5/8 4.8*51 #10*2 3.5*19 #6*3/4 3.9*20 #7*3/4 4.2*19 #8*3/4 4.8*65 #10*2-1/2 3.5*25 #6*1 3.9*25 #7*1 4.2*25 #8*1 4.8*70 #10*2-3/4 3.5*29 #6*1-1/8 3.9*30 #7*1-1/8 4.2*32 #8*1-1/4 4.8*75 #10*3 3.5*32 #6*1-1/4 3.9*32 #7*1-1/4 4.2*34 #8*1-1/2 4.8*90 #10*3-1/2 3.5*35 #6*1-3/8 3.9*35 #7*1-1/2 4.2*38 #8*1-5/8 4.8*... -
Renewable Design for Self Drilling Window Screws - White Zinc Plated CSK Head Phillips Drive Self Drilling Screw – Xinruifeng
● Countersunk Rib Head ● Fine Thread ● Phillips Drive ● M3.5(#6) M3.9(#7) M4.2(#8) M4.8(#10) ● From 13mm to 100mm ● 1022A ● Black/Grey phosphate; Yellow/White Zinc Plated; Nikel Plated 1: This kind of screw is made according to DIN Standard. Strictly guarantee the quality of products. 2: The CSK head self drilling screw has following advantages: *No pre-drilling or pilot hole required. *No head out after screw fixed in the profile. 3: We have our own heat treatment produce line. Heat-treat... -
Discount Price 6mm Self Tapping Screws - China Manufacturer Fastners Hex Pan Head Zinc Plated Self Tapping Screw – Xinruifeng
Size(mm) Size(inch) Size(mm) Size(inch) Size(mm) Size(inch) Size(mm) Size(inch) 3.5*13 #6*1/2 3.5*65 #6*2-1/2 4.2*13 #8*1/2 4.2*102 #8*4 3.5*16 #6*5/8 3.5*75 #6*3 4.2*16 #8*5/8 4.8*51 #10*2 3.5*19 #6*3/4 3.9*20 #7*3/4 4.2*19 #8*3/4 4.8*65 #10*2-1/2 3.5*25 #6*1 3.9*25 #7*1 4.2*25 #8*1 4.8*70 #10*2-3/4 3.5*29 #6*1-1/8 3.9*30 #7*1-1/8 4.2*32 #8*1-1/4 4.8*75 #10*3 3.5*32 #6*1-1/4 3.9*32 #7*1-1/4 4.2*34 #8*1-1/2 4.8*90 #10*3-1/2 3.5*35 #6*1-3/8 3.9*35 #7*1-1/2 4.2*38 #8*1-5/8 4.8*... -
Competitive Price for Shipping Container Self Tapping Screws - High Strength Countersunk Head Screw Self Tapping Screw – Xinruifeng
1. The Drywall Screw is characterized by a bugle head that features a flat top and a concave under-head bearing surface. For this reason, the Drywall Screw is also called Bugle Head Screw. This unique design enables the distribution of the bearing stress over a much wider area than is with a flat head screw. 2. The bugle head offers many benefits which are the followings: ● The bugle head screw has a smoother transition between the shank and the head, which avoids the material to get caught, ...
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