- Overview
- FAQ
Basic Info.
Model NO.
GB819
Head Style
Countersunk
Standard
GB
Grade
4.8/ A2-70/ A4-70
MOQ
1000PCS
Packing
Carton+Pallet
Delivery Time
7-15 Working Days
Measuring System
Metric
Sample
Available
Application
Industry
Length
3mm-100mm
Advantage
OEM Customized Service Provided
Item
China Fastener
Certificate
CE, SGS, ISO
Thread
Full Thread
Product Name
Cross Recessed Flat Head Machine Screw
Service
OEM/ODM
Quality
High Practicability
Surface Treatment
Polishing
Specification
M1.6-M2
Trademark
Fengye
Origin
Jiangsu, Taizhou
Production Capacity
15tons/Month
Packaging & Delivery
Package Size
36.00cm * 26.00cm * 36.00cm
Package Gross Weight
0.880kg
Product Description
Product Standard
| Thread specification d | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | M8 | M10 | ||
| P | Thread pitch | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | |
| a | Max | 0.7 | 0.8 | 0.9 | 1 | 1.2 | 1.4 | 1.6 | 2 | 2.5 | 3 | |
| dk | Theory | Max | 3.6 | 4.4 | 5.5 | 6.3 | 8.2 | 9.4 | 10.4 | 12.6 | 17.3 | 20 |
| Reality | Max=Nominal | 3 | 3.8 | 4.7 | 5.5 | 7.3 | 8.4 | 9.3 | 11.3 | 15.8 | 18.3 | |
| Min | 2.7 | 3.5 | 4.4 | 5.2 | 6.94 | 8.04 | 8.94 | 10.87 | 15.37 | 17.78 | ||
| k | Max=Nominal | 1 | 1.2 | 1.5 | 1.65 | 2.35 | 2.7 | 2.7 | 3.3 | 4.65 | 5 | |
| r | Max | 0.4 | 0.5 | 0.6 | 0.8 | 0.9 | 1 | 1.3 | 1.5 | 2 | 2.5 | |
| x | Max | 0.9 | 1 | 1.1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3.2 | 3.8 | |
| Slot number | 0 | 0 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | ||
| M1 | Reference | 1.6 | 1.9 | 2.9 | 3.2 | 4.4 | 4.6 | 5.2 | 6.8 | 8.9 | 10 | |
| M2 | Reference | 1.6 | 1.9 | 2.8 | 3 | 4.1 | 4.4 | 4.9 | 6.6 | 8.8 | 9.8 | |
| Depth | Type H | Max | 0.9 | 1.2 | 1.8 | 2.1 | 2.4 | 2.6 | 3.2 | 3.5 | 4.6 | 5.7 |
| Min | 0.6 | 0.9 | 1.4 | 1.7 | 1.9 | 2.1 | 2.7 | 3 | 4 | 5.1 | ||
| Type Z | Max | 0.95 | 1.2 | 1.73 | 2.01 | 2.2 | 2.51 | 3.05 | 3.45 | 4.6 | 5.64 | |
| Min | 0.7 | 0.95 | 1.48 | 1.76 | 1.75 | 2.06 | 2.6 | 3 | 4.15 | 5.19 | ||
FAQ:
1. Are you a factory or a trading company?A: We are direct factory and our production line covers all standards and non stands/special screws as per your requirement
2. Where is your factory ?
A: Our factory is in Taizhou,Jiangsu.
3. How long can l get some samples for checking and what about the price?A: For samples we have in stock, we can send you some. lfmake new samples as per your specification, generally speaking, ittakes around 5 working days.
The price of made to print samples will depends on the requirement of material, surface treatment, dimension, etc.Samples costwill be refunded when order quantity reaches to a certain amount.
4.How is the warranty of the products quality control?
A: We hold the tightend quality controlling from very begining to the end and aim at 100% error free.
5. How to get an accurate quotation?Ifyou already have a sample at hand, please send us the existing samples, and we will quote to you once we receive the samples
If there is no sample, please send us the drawing /print ofthe fastener, we will check all the specification including the dimension,surface treatment, material,and our mechanical engineer will evaluate if it will be applied to production.