Obsolete

GB/T 6138.1-1997Subland twist drills for holes prior to tapping screw threads. Part 1: The types and dimensions for subland twist drills with parallel shanks (English PDF)

攻丝前钻孔用阶梯麻花钻第1部分:直柄阶梯麻花钻的型式和尺寸

GB/T 6138.1 | Evolution and historical versions

Std ID	Title	Status
GB/T 6138.1-2007	Subland twist drills for holes prior to tapping screw threads - Part 1: The types and dimensions of subland twist drills with cylindrical shanks	Obsolete
GB/T 6138.1-1997	Subland twist drills for holes prior to tapping screw threads. Part 1: The types and dimensions for subland twist drills with parallel shanks	Obsolete

GB/T 6138.1-1997 is obsolete. It has been replaced by GB/T 6138.1-2007. This page sells the obsolete edition, for projects and contracts that still cite it.

This is a limited preview

Buy now to download the full PDF

Need quotation for your management?

Get a formal quotation for GB/T 6138.1-1997 in 30 minutes.

Issued by

State Bureau of Technical Supervision

Level / Type

National · Recommended

Issue date

August 28, 1997

Implementation date

June 1, 1998

Scope

GB/T 6138.1-1997 is the English-translated version of 攻丝前钻孔用阶梯麻花钻第1部分:直柄阶梯麻花钻的型式和尺寸.

GB/T 6138.1-1997 is the Chinese national standard "Subland twist drills for holes prior to tapping screw threads. Part 1: The types and dimensions for subland twist drills with parallel shanks".

It was issued on August 28, 1997 by the State Bureau of Technical Supervision, and took effect on June 1, 1998. It is obsolete: it has been replaced by GB/T 6138.1-2007.

Found what you need?

Document preview — GB/T 6138.1-1997

National Standard of the People's Republic of China

Issued by: State Bureau of Technical Supervision

Document data

1 Document data

Sector: National standard (Recommended).

Issuing body: State Bureau of Technical Supervision.

Date of issue: 1997-08-28.

Date of implementation: 1998-06-01.

Status: obsolete, replaced by GB/T 6138.1-2007.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

How to Download GB/T 6138.1-1997

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.