Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 28248-2012 English PDF

Q: How long will the true-PDF of English version of GB/T 28248-2012 be delivered?

Upon your order, we will start to translate GB/T 28248-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 28248-2012_English with my colleagues?

Yes. The purchased PDF of GB/T 28248-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

US$419.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 28248-2012: Cemented carbide drills for printed boards
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28248-2012	419	Add to Cart	3 days	Cemented carbide drills for printed boards	Valid

Similar standards

GB/T 33524.2 GB/T 5104 GB/T 972 GB/T 28249 GB/T 28250 GB/T 28247

Basic data

Standard ID: GB/T 28248-2012 (GB/T28248-2012)
Description (Translated English): Cemented carbide drills for printed boards
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J41
Classification of International Standard: 25.100.30
Word Count Estimation: 18,167
Quoted Standard: GB/T 4340.4-2009; YB/T 5349-2006
Regulation (derived from): Announcement of Newly Approved National Standards No. 1 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the processing of printed circuit board with a diameter of 0. 05mm to 6. 5mm Carbide Drills (hereinafter referred to as drill) the terms and definitions, dimensions, technical requirements, testing, packaging, storage, transportati

GB/T 28248-2012: Cemented carbide drills for printed boards

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS25.100.30 J41 National Standards of People's Republic of China Carbide PCB drill Issued on. 2012-07-01 2012-03-09 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard rule according to GB/T 1.1-2009 given draft. The standard proposed by China Machinery Industry Federation. This standard tool by the National Standardization Technical Committee (SAC/TC91) centralized. This standard was drafted. Shenzhen Jinzhou Precision Technology Co., Ltd. The main drafters of this standard. Qu Jianguo, really Xiao Jian, Fulian Yu, Wang Zhixing. Carbide PCB drill

1 Scope

This standard specifies the process for PCB with a diameter of 0.05mm 6.5mm carbide drill (hereinafter referred to as the drill bit) terminology to And definitions, dimensions, technical requirements, testing, packaging, storage and transportation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 4340.4-2009 metallic materials - Vickers hardness test - Part 4. Table of hardness values YB/T5349-2006 metal bending mechanical performance test method Category 3 Tip Shape by 3.1 points Press the tip shape can be divided into ST-type (StraightType) and UC type (UndercutType). ST bus body type is to drill a straight line Normal drill bit (the drill tip configuration as shown in Figure 1). UC-type drill body is formed into the rear end of the outer diameter of the drill bit of smaller diameter (drill tip shape as shown in Figure 2). Figure 1 ST-type drill tip drill tip type Figure 2 UC Divided by 3.2 Dimensions Dimensions can be divided according to the conventional type and ID (InverseDril) type. Conventional means the drill shank diameter smaller than the diameter of the drill bit (Figure 3), ID type It refers to the drill shank diameter greater than the diameter of the drill bit (Fig. 4). Figure 3 Conventional Figure 4 ID type ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 28248-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 28248-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 28248-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 28248-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.