볼트 구멍 및 카운터 보어 지름
间隙螺栓和螺钉的通孔直径和埋头孔

2010-12-29

Diameters of counterbores (holes) for hexagon bolts and nuts
六角螺栓、螺钉和螺母的沉头孔直径；制造尺寸

1991-05-01

Clearance Holes for Bolts, Screws, and Studs
螺栓、螺钉和螺柱的间隙孔

1999-01-01

Fasteners. Clearance holes for bolts and screws
紧固件 螺栓和螺钉的间隙孔

1992-04-01

Fasteners — Clearance holes for bolts and screws
紧固件——螺栓和螺钉的间隙孔

1979-06-01

紧固件 螺栓和螺钉通孔
Fasteners--Clearance holes for bolts and screws

1985-08-01

FASTENERS. CLEARANCE HOLES FOR BOLTS AND SCREWS. (ISO 273:1979).
紧固件 螺栓和螺钉的间隙孔 （ISO 273:1979）

1992-11-10

SELECTIVE LIST OF THE DIAMETERS OF SCREWS CLEARANCE HOLES (4-24 MM).
螺钉间隙孔直径的选择性列表（4-24 MM）

1963-01-15

Subland twist drills with parallel shank for clearance holes and counterbores for hexagon socket head cap screws and slotted cheese head screws
用于内六角圆柱头螺钉和开槽圆柱头螺钉的间隙孔和沉头孔的直柄小带麻花钻

2006-11-01

Subland twist drills with Morse taper shank for clearance holes and counterbores for hexagon socket head cap screws and slotted cheese head screws
用于内六角圆柱头螺钉和开槽圆柱头螺钉的间隙孔和沉头孔的莫氏锥柄小带麻花钻

2006-11-01

Fasteners; clearance holes for bolts and screws (ISO 273:1979); german version EN 20273:1991
紧固件；螺栓和螺钉的间隙孔（ISO 273-1979）；德文版EN 20273:1991

1992-02-01