Medium Carbon Steel Roofing SDS Screws

• Material: Carbon Steel
• Shape of Head: Hexagon
• Surface Finishing: Zinc Plated
• Customized: Non-Customized
• Material Grade: C1022
• Heating: Tempered
• Model NO.: 5.5*55mm
• Type: Hexagon Head with Flange
• Head Style: Hexagonal
• Connection: Self Tapping Screw
• Grade: 8.8
• Transport Package: Carton, Pallet
• Specification: 10x1 inch
• Trademark: TS
• Origin: Zhajiang China
• HS Code: 73181400
• Production Capacity: 100 Tons/Month

Product Description

Hex Washer/Flange Head Roofing Screws
Roofing Self Tapping Screws
Self Drilling Screws for Roofing, Profiles
Pre-assemblied with EPDM Bonded Washer
Self Drilling screws made of C1022 Steel
Hardened, Yellow zinc plated
Standards DIN/ANSI/JIS/BS/GB options
Screw Materials C1022/1035/1045 

Rubber or EPDM with Steel or Aluminium combination washers

Optional Head Type:
Hex flange head DIN7504-K
Pan head DIN7504-N
Metric sizes
3.9x16, 19, 25, 30mm
4.2x19, 25, 30 40, 50mm
4.8x19, 25, up to 60 mm
5.5x30, up to 75
6.3x40, 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

Material: C1022 steel


Regular Offer for C1022 Hardend Steel Galvanized 
Hex Flange Head Self Drilling Screws
With EPDM bonded washer, Price on EXW Ningbo Factory!

Size	Pcs/Box	Box/Ctn	Price/Ctn	MOQ/CTN
4.8*19	500	8	$37.82	12
4.8*25	500	8	$41.52	12
4.8*29	300	8	$28.37	12
4.8*35	300	8	$30.67	12
4.8*38	300	8	$31.16	12
4.8*50	200	8	$22.85	12
5.5*19	300	8	$28.80	12
5.5*25	300	8	$31.39	12
5.5*32	200	8	$22.75	12
5.5*38	200	8	$24.23	12
5.5*51	200	8	$27.07	12
5.5*63	200	8	$31.10	12

Stainless Steel 410