JB /T 4208.1 - 1996 General parts of cold heading dies for fasteners - Cutters, Type A1，(Suitable for Bolts and Screws)

Unit: 毫米(mm)

Thread Size

M2.5

d	GB5780~5783、GB5785~5786	min=nominal size
		max
	GB5784、GB65~820	min=nominal size
		max
	GB70	min=nominal size
		max
H	max=nominal size
	min
L₁	max=nominal size
	min
L
B
a
b
L₂
L₃
L₄
H1
h
B₁
d₁
d₂
t	verticality
	Parallelism
Applicable machine tools

/	/	/
/	/	/
1.65	2.12	2.12
1.71	2.18	2.18
/	/	/
/	/	/
7	7	8
6.91	6.91	7.91
52	52	70
51.81	51.81	69.81
54	54	72
22	22	32
8	8	12
10	10	15
38	38	60
19	19	28
16	16	20
3.5	3.5	4.0
5（3）	5（3）	6（4）
5	5	6
M6	M6	M10
M4	M4	M4
0.08	0.08	0.10
0.05	0.05	0.06
Z12-2.5	Z12-2.5	Z12-4

GB /T 25674 - 2010

Screw Slotting Saws

GB 1122 - 1985

Screw Slotting Saws

JB /T 4208.1 - 2014

General parts of cold heading dies for fasteners - Cutters, Type A1，(Suitable for Bolts and Screws)

JB /T 4208.1 - 2014

General parts of cold heading dies for fasteners - Cutters, Type A2，(Suitable for Bolts and Screws)

JB /T 4208.1 - 2014

General parts of cold heading dies for fasteners - Cutters, Type B，(Suitable for GB5780、GB5781、GB5782、GB5783、GB5784、GB5785、GB5786、GB70.1)

JB /T 4208.1 - 2014

General parts of cold heading dies for fasteners - Cutters, Type C，(Suitable for GB5780、GB5781、GB5782、GB5783、GB5784、GB5785、GB5786、GB70.1)

JB /T 4208.1 - 2014

General parts of cold heading dies for fasteners - Cutters, Type D，(Suitable for GB6170、GB6171、GB6175、GB6176)

JB /T 4208.1 - 2014

General parts of cold heading dies for fasteners - Cutters, Type E，(Suitable for GB6170、GB6171、GB6175)

JB /T 4208.1 - 2014

General parts of cold heading dies for fasteners - Cutters, Type F，(Suitable for GB6170、GB6171、GB6175、GB6176)

JB /T 4208.1 - 2014

General parts of cold heading dies for fasteners - Cutters, Type G，(Suitable for GB6170、GB6171、GB6175、GB6176)

JB /T 4208.2 - 2014

General parts of cold heading dies for fasteners - Cutter plates, Type A，(Suitable for Bolts and Screws)

JB /T 4208.2 - 2014

General parts of cold heading dies for fasteners - Cutter plates, Type B，(Suitable for GB6170、GB6171、GB6175、GB6176)

JB /T 4208.3 - 2014

General parts of cold heading dies for fasteners - Cutting dies, Type A, (Suitable for GB67、GB68、GB69、GB818、GB820)

JB /T 4208.3 - 2014

General parts of cold heading dies for fasteners - Cutting dies, Type B1，(Suitable for Bolts and Screws)

JB /T 4208.3 - 2014

General parts of cold heading dies for fasteners - Cutting dies, Type B2，(Suitable for GB5782、GB5783、GB5784、GB70.1）

JB /T 4208.3 - 2014

General parts of cold heading dies for fasteners - Cutting dies, Type C，(Suitable for GB6170、GB6171、GB6175、GB6176）

JB /T 4208.3 - 2014

General parts of cold heading dies for fasteners - Cutting dies, Type D1

JB /T 4208.3 - 2014

General parts of cold heading dies for fasteners - Cutting dies, Type D2

JB /T 4208.1 - 1996

General parts of cold heading dies for fasteners - Cutters, Type A2，(Suitable for Bolts Screws)

JB /T 4208.10 - 1996

General parts of cold heading dies for fasteners - Cutting dies, Type A, (Suitable for GB67、GB68、GB69、GB818、GB819、GB820)

JB /T 4208.11 - 1996

General parts of cold heading dies for fasteners - Cutting dies, Type B，(Suitable for Bolts and Screws)

JB /T 4208.11 - 1996

General parts of cold heading dies for fasteners - Cutting dies, Type B，(Suitable for GB5782、GB5783、GB5784、GB70）

JB /T 4208.12 - 1996

General parts of cold heading dies for fasteners - Cutting dies, Type C，(Suitable for GB6170、GB6171、GB6175、GB6176）

JB /T 4208.13 - 1996

General parts of cold heading dies for fasteners - Cutting dies, Type D

JB /T 4208.13 - 1996

General parts of cold heading dies for fasteners - Cutting dies, Type D

JB /T 4208.2 - 1996

General parts of cold heading dies for fasteners - Cutters, Type B，(Suitable for GB5780、GB5781、GB5782、GB5783、GB5784、GB5785、GB5786、GB70)

JB /T 4208.3 - 1996

General parts of cold heading dies for fasteners - Cutters, Type C，(Suitable for GB5780、GB5781、GB5782、GB5783、GB5784、GB5785、GB5786、GB70)

JB /T 4208.4 - 1996

General parts of cold heading dies for fasteners - Cutters, Type D，(Suitable for GB6170、GB6171、GB6175、GB6176)

JB /T 4208.5 - 1996

General parts of cold heading dies for fasteners - Cutters, Type E，(Suitable for GB6170、GB6171、GB6175)

JB /T 4208.6 - 1996

General parts of cold heading dies for fasteners - Cutters, Type F，(Suitable for GB6170、GB6171、GB6175、GB6176)

JB /T 4208.7 - 1996

General parts of cold heading dies for fasteners - Cutters, Type G，(Suitable for GB6170、GB6171、GB6175、GB6176)

JB /T 4208.8 - 1996

General parts of cold heading dies for fasteners - Cutter plates, Type A，(Suitable for Bolts and Screws)

JB /T 4208.9 - 1996

General parts of cold heading dies for fasteners - Cutter plates, Type B，(Suitable for GB6170、GB6171、GB6175、GB6176)

JB 8366 - 1996

Screw Slotting Saws