-
Massive Selection for 1 Inch 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*... -
OEM Customized Set Screw Bolt - 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... -
Hot sale Factory Self Drilling Anchor - 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... -
China Supplier Pan Head Particle Board 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, ... -
Best quality point screw - 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... -
Discount wholesale Big 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, ... -
100% Original Factory Heavy Duty Self Tapping Screws - Wholesale Chinese Phillips Pan Head Pan Framing Head Self Tapping Screw – Xinruifeng
1. Self-tapping 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: 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 clearance betw... -
OEM Supply Wafer Head Self Drilling 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... -
Wholesale Flat Head Self Drilling 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... -
Factory source Locking Set Screw - 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... -
Chinese wholesale Self Threading Bolts - 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... -
Hot New Products Self Tapping Security Screws – Wholesale Chinese Phillips Pan Head Pan Framing Head Self Tapping Screw – Xinruifeng
1. Self-tapping 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: 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 clearance betw...
- +86 18920480863
- +86 13820522567
- xinruifeng@xrfscrew.com
