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Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5

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Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5

Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5
Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5 Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5 Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5 Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5

Large Image :  Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5

Product Details:
Place of Origin: China
Brand Name: VDL
Certification: ISO 9001
Payment & Shipping Terms:
Minimum Order Quantity: 500 PCS
Price: USD 0.2 to 1 each piece
Packaging Details: 1 . 100 pcs each bag , and 10 bags each carton . 2 . Custom packings are accpeted . 3 . In bulk with 15 kgs each carton . 4 . Carton dimension is 25 X 20 X 15 cm
Delivery Time: 10 days
Payment Terms: L/C, D/A, D/P, T/T, MoneyGram
Supply Ability: 30 tons each month
Detailed Product Description
Material: Carbon Steel Finish: Zinc
Color: Yellow Length: 200
Thread: 5.5 Hardness: 450 HV
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Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5

 

Custom sandwich panel screws are similar with self drilling screws but with longer shaft , it is designed for thick sandwich panel installation .

 

Sandwich panel screws are made of alloy steel with harden treatment , hex washer head and a plastic ring under head , there are two shaft sections with self tapping threads that set on under head and another section is placed close ends that can secure panels steadily , rest section is shaft . Sandwich panel screws are made by a teck drilling point that is same with roofing screws or teck screws . this design helps sandwich panel screws to cut panels as quickly as possible .

 

Dimesions for head and point and threads of sandwich panel screws are same as the self drilling screws 

 

D ST 2.9 ST 3.5 ST 3.9 ST 4.2 ST 4.8 ST 5.5 ST 6.3
P 1.1 1.3 1.3 1.4 1.6 1.8 1.8
C 0.4 0.6 0.6 0.8 0.9 1 1
Dc 6.3 8.3 8.3 8.8 10.5 11 13.5
5.8 7.6 7.6 8.1 9.8 10 12.2
K 2.8 3.4 3.4 4.1 4.3 5.4 5.9
2.5 3 3 3.6 3.8 4.8 5.3
S 4 5.5 5.5 7 8 8 10
3.82 5.32 5.32 6.78 7.78 7.78 9.78
Dp 2.3 2.8 3.1 3.6 4.1 4.8 5.8

 

 

Hex Washer Head Sandwich Panel Screws Galvanized Steel Tapping Thread ST 5.5 0 Thread diameter  6.3
head diameter  13.0
Head height  5.8
Length  200
Pitch  1.8
Material  Alloy steel Hardness  450 HV
Finish  Zinc Torque  5.5

 

 

Hardness for different sandwich panel screws with different specifications based on standard requests .

 

d/ diam #6 #7 #8 #10 #12 #14 (1/4)
tpi 20 18 18 16 14 14
Thr type st st st st st st
Min. case Hardness 600 600 600 600 600 600
Core Hardness Hv 0.3 300~400 300~400 300~400 300~400 300~400 300~400
Min. Torsional Lb-in 24 24 42 61 92 150
Drill point Point # Nr 2 Nr. 2 Nr. 2 Nr. 3 Nr. 3 Nr. 3
Test Plate Thick ness 0.062~0.068 0.062~0.068 0.062~0.068 0.062~0.068 0.062~0.068 0.062~0.068

 

 

Optional materials

 

Carbon steel sandwich panel screws can be made of or from Stainless steel based on serial 300 , 400 and 200 .

 

 

Pull out torque for sandwich panel screws 

 

Gauge Kg/cm
#4 14
#6 28
#7 35
#8 48
#10 71
#12 94
#14 110

 

 

Installation by screwgun if needed for sandwich panel screws 

 

1 .  A screwgun with a depth sensitive nose piece that be used to install drillers ,the screwgun should be a min of 4 amps and a RPM range from 0 to 2500c.

 

2 . Adjust the screwgun nose piece to properly set the fastener .

 

3 . Damaged bit tips should be replaced

 

4 . The fastener is fully setted when the head is flush with the work surface .

 

5 . The fastener have to penetrate beyond the metal structure a min of 3 picthes of threads

 

 

RFQ

 

Q.How long I can get samples for approval before placing order ?

A. Normally one week for custom screws , and we can deliver samples within 24 hours for standard screws or stock once received your request .

 

Q How many days dispatch goods after placed orders ?

 

A Generally , one week for popular screws under 2 tons , final delivery is subject to requests on screws , packing and or other deamnds from you .

 

Q.What are your popular payement menthods ?

 

A. T/T is our prior choose for all , of course , we are also accept L/C , Westunion , paypall .

 

Q. What products you produce ?

 

A. We manufacture various hardwares like fasteners screws , nuts , bolts , pins , rivets and custom metal stamping parts and plastic injeciton molding products .

 

 

 

Contact Details
VEDALI HARDWARE CO., LTD

Contact Person: MR.LIN

Tel: +8613556778272

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