Handan Shuangzi Metal Products Co., Ltd is a professional manufacturer of drilling screw and tapping screw enterprises. Since its establishment, the company has been focusing on the produc- tion and R&D of drilling screw, which has built a morden, high standard, scale, variety of profes- sional production line of drill tail screw. All used equipment are imported from Germany, Japan and Taiwan, with an annual output of high quality, multi-variety drill tail screw. The company employed the top domestic technologist, in hexagon-shaping\clipping\thread-rolling\carburize\zinc plated\washer machine\package and other processes, every link strives for perfection and the best.
Product Description
Specification
|
MATERIAL
|
HEAD TYPE
|
SIZE
|
LENGTH
|
SURFACE
|
|
C1022A
|
truss head
|
3.5/4.2
|
13-50mm
|
parkerising
|
|
MM AND INCH COMPARSION TABLE
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|||||||
|
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*100
|
#10*4
|
|
3.5*38
|
#6*1-1/2
|
3.9*38
|
#7*1-5/8
|
4.2*40
|
#8*1-3/4
|
4.8*115
|
#10*4-1/2
|
|
3.5*41
|
#6*1-5/8
|
3.9*40
|
#7*1-3/4
|
4.2*51
|
#8*2
|
4.8*120
|
#10*4-3/4
|
|
3.5*45
|
#6*1-3/4
|
3.9*45
|
#7*1-7/8
|
4.2*65
|
#8*2-1/2
|
4.8*125
|
#10*5
|
|
3.5*51
|
#6*2
|
3.9*51
|
#7*2
|
4.2*70
|
#8*2-3/4
|
4.8*127
|
#10*5-1/8
|
|
3.5*55
|
#6*2-1/8
|
3.9*55
|
#7*2-1/8
|
4.2*75
|
#8*3
|
4.8*150
|
#10*6
|
|
3.5*57
|
#6*2-1/4
|
3.9*65
|
#7*2-1/2
|
4.2*90
|
#8*3-1/2
|
4.8*152
|
#10*6-1/8
|
Packing & Delivery
Depend on customers need.
FAQ
1. who are we?
We are based in Hebei, China, start from 2017,sell to Domestic Market(50.00%),Africa(15.00%),South Asia(15.00%),North America(10.00%),Mid East(10.00%). There are total about 51-100 people in our office.
We are based in Hebei, China, start from 2017,sell to Domestic Market(50.00%),Africa(15.00%),South Asia(15.00%),North America(10.00%),Mid East(10.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Self drilling screw,Drywall screw,Chipboard screw,Washer
4. Do you provide the samples,Is it free or extra?
Yes, we could offer the sample for free charge but do not pay the cost of freight
5. what is your terms of payment?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
