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China Double Threaded Roofing Screws

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Min. Order / Reference FOB Price
1 Ton	US $2500.00/ Ton

Local Area:	Beijing, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, WesternUnion

Material:	Carbon Steel
Material Grade:	C1022
Heating:	Tempered

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Product Description

Double Threaded Roofing Screws
With transparent rubber washer
C1022 steel hardend, yellow galvaized
More details please visit us at selfdrillingscrews. Cn
All standard and customized self drilling screws
DIN7504-k, p, n
Hex flange head, DIN7504-K or ANSI B18.2.1
Csk head, DIN7504-p
Pan head DIN7504-n
Optional Head Type:
Hex flange head or hex washer head
Metric sizes as per DIN7504-K
3.5X15, 19, 25, 30mm
4.2X19, 25, 30 40, 50
4.8X19, 25, up to 60
5.5X30, up to 75
6.4X40, 50, 60 up to 100
ANSI inch specifications,
#6X3/4 up to 1-1/4
#8X3/4 up to 2
#10X3/4 up to 3
#12X1 up to 5
#14X1 up to 6 inch
Slotted pan head and flat head
Counter sunk head or round head
Material: C1022 steel, stainless steel SS410

SIZEWT/GPRICE/M4.2x131.54$3.084.2x161.78$3.564.2x191.97$3.944.2x252.20$4.404.2x322.91$5.824.2x383.31$6.624.8x132.02$4.044.8x162.32$4.644.8x192.61$5.224.8x253.19$6.384.8x323.88$7.764.8x384.46$8.924.8x455.16$10.324.8x506.66$13.325.5x193.90$7.805.5x254.45$8.905.5x325.00$10.005.5x387.10$14.205.5x457.93$15.865.5x508.77$17.545.5x659.20$18.405.5x7510.39$20.786.3x195.91$11.826.3x256.87$13.746.3x327.99$15.986.5x388.96$17.926.5x4510.10$20.206.5x5010.88$21.766.5x6513.20$26.406.5x7514.89$29.78