specializing in various range of BUILDING MATERIAL, HARDWARE and TOOL products with more than 20 years of experience. All of our products are fully guaranteed at competitive price and with prompt shipment.
Product Description
C1022 Steel Hardend Drywall Screws
Fine & Coarse, Hi-Low Thread
C1022 hardend steel
Black/Grey phosphated
Zinc Galvanizing, HDG, Dacromet
Philips #2 drive, torx drive, square drive, pozi drive
Metric Size 3.5, 3.8, 4.2, 4.8mm thread diameter
Length from 13 to 150mm
Inch Specifications #6, #7, #8, #9, #10,
Length from 1/2 to 6 inch
Â
specializing in various range of BUILDING MATERIAL, HARDWARE and TOOL products with more than 20 years of experience. All of our products are fully guaranteed at competitive price and with prompt shipment.
Product Description
C1022 Steel Hardend Drywall Screws
Fine & Coarse, Hi-Low Thread
C1022 hardend steel
Black/Grey phosphated
Zinc Galvanizing, HDG, Dacromet
Philips #2 drive, torx drive, square drive, pozi drive
Metric Size 3.5, 3.8, 4.2, 4.8mm thread diameter
Length from 13 to 150mm
Inch Specifications #6, #7, #8, #9, #10,
Length from 1/2 to 6 inch
Â
YRS type use glass wool as sound-proof material.
A Ventilation Duct Silencer is a component of Ventilation system used to reduce noise transmitted inside ventilation ductwork. Duct silencers are also referred to as sound attenuators, sound traps or mufflers.
1,the use of raw materials are Stainless Steel Duct and galvanized steel;
2, strong noise reduction effect, reduce energy consumption, save operating costs, high strength, good sealing performance, beautiful appearance, simple installation, long service life;
3,Used for air supply, exhaust and smoke exhaust pipes of ships, shopping malls, office buildings, subway, civil air defense, basement and other projects.
4, its thickness and specifications can be changed according to requirement.
Ventilation Duct Silencer,Exhaust Pipe And Silencer,Ventilation Duct Silencer Kitchen,Inline Duct Silencer
YANTAI DONGTAI STANDER OFFSHORE ENGINEERING CO.,LTD , https://www.dongtaicolumbus.com