229 GB/T 6125-1996 T型槽铣刀 技术条件 T-slot cutters--Technical specifications
230 GB/T 6128.1-1996 角度铣刀 第1部分: 单角铣刀的型式和尺寸 Angle milling cutter--Part 1: The types and dimensions for single angle cutters
231 GB/T 6128.2-1996 角度铣刀 第2部分: 不对称双角铣刀的型式和尺寸 Angle milling cutter--Part 2: The types and dimensions for double unequal-angle cutters
232 GB/T 6128.3-1996 角度铣刀 第3部分: 对称双角铣刀的型式和尺寸 Angle milling cutter--Part 3: The types and dimensions for double equal-angle cutters
233 GB/T 6129-1996 角度铣刀 技术条件 Angle cutters--Technical specifications
234 GB/T 6130-1985 镶片圆锯 Segmental circular metal cutting saws
235 GB/T 6131.1-1996 铣刀直柄 第1部分: 普通直柄的型式和尺寸 Parallel shanks for milling cutters--Part 1: Dimensional characteristics of plain parallel shanks
236 GB/T 6131.2-1996 铣刀直柄 第2部分: 削平直柄的型式和尺寸 Parallel shanks for milling cutters--Part 2: Dimensional characteristics of flatted parallel shanks
237 GB/T 6131.3-1996 铣刀直柄 第3部分: 2°斜削平直柄的型式和尺寸 Parallel shanks for milling cutters--Part 3: Dimensional characteristics of parallel shanks with 2°angular flats
238 GB/T 6131.4-1996 铣刀直柄 第4部分: 螺纹柄的型式和尺寸 Parallel shanks for milling cutters--Part 4: Dimensional characteristics of screwed shanks
239 GB/T 6133-1985 削平型直柄刀具夹头 Tool chucks for flated parallel shank tools
240 GB/T 6135.1-1996 直柄麻花钻 第1部分: 粗直柄小麻花钻的型式和尺寸 Parallel shank twist drills--Part 1: The types and dimensions for small type twist drills with oversize parallel shank
241 GB/T 6135.2-1996 直柄麻花钻 第2部分: 直柄短麻花钻的型式和尺寸 Parallel shank twist drills--Part 2: The types and dimensions for parallel shank stub series twist drills
242 GB/T 6135.3-1996 直柄麻花钻 第3部分: 直柄麻花钻的型式和尺寸 Parallel shank twist drills--Part 3: The types and dimesnions for parallel shank jobber series twist drills
243 GB/T 6135.4-1996 直柄麻花钻 第4部分: 直柄长麻花钻的型式和尺寸 Parallel shank twist drills--Part 4: The types and dimensions for parallel shank long series twist drills
244 GB/T 6135.5-1996 直柄麻花钻 第5部分: 直柄超长麻花钻的型式和尺寸 Parallel shank twist drills--Part 5: The types and dimensions for extra long parallel shank twist drills
245 GB/T 6289-1986 夹扭钳和剪切钳 术语 Pliers and nippers--Nomenclature
246 GB/T 6290-1986 夹扭钳和剪切钳 通用技术条件 Pliers and nippers--General technical requirements
247 GB/T 6291-1986 夹扭钳和剪切钳 试验方法 Pliers and nippers--Methods of test
248 GB/T 6292-1986 夹扭钳和剪切钳 检验规则 Inspection for pliers and nippers
249 GB/T 6309-1986 千分表 Dial indicators
250 GB/T 6311-1986 大量程百分表 Long range dial gauges