GB/T 4267-1984
Replaced
T/WLJC 24-2019
Active
Group standards
T/WLJC 24-2019 High-precision, transferable deep-hole drill
T/WLJC 24-2019 High-precision, transferable deep-hole drill
Price:
$ 20.00
Basic Information
Standard Code:
T/WLJC 24-2019
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Mechanical
ICS Name:
Drill, reamer, and hobbing cutter
Publish Date:
2019-05-07
Implement Date:
2019-05-07
Scope
Scope: This standard specifies the type and dimensions, technical requirements, test methods, inspection rules, marking and packaging of high-precision indexable deep hole drills. This standard applies to deep hole drills with a drilling diameter of 9 mm to 40 mm, a drilling depth not exceeding 10 times the diameter of the drill bit, and equipped with countersunk hard alloy indexable blades where the coolant is injected through the drill body; Main technical content: The high-precision indexable deep hole drills specified in this standard have independent intellectual property rights. The product structure and technical level are significantly superior to those of the drills in JB/T 12759-2015 "Modular Indexable Deep Hole Drills", representing the advanced technical level in China, and the market share ranks among the top in the domestic industry.
Development Information
Related Standards
GB/T 14299-1993
Replaced
GB/T 14299-1993 Spiral flute drill with indexable inserts
GB/T 14332-1993
abolished_transferred
GB/T 14332-1993 Ejector drills with carbide tips
GB/T 1438.1-1996
Replaced
GB/T 1438.1-1996 Taper shank twist drills—Part 1:The types and dimensions for Morse taper shank twist drills
GB/T 1438.2-1996
Replaced
GB/T 1438.2-1996 Taper shank twist drills—Part 2:The types and dimensions for long Morse taper shank twist drills
GB/T 1438.3-1996
Replaced