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Same specifications, different dimensions for other parts.

Unit:mm

Dismantle tools for wire thread insert

HB 4277 - 1989

Display drawing:

航空HB 4277 - 1989 HB4277 4277HB Dismantle tools for wire thread insert

Screw Thread
d

ST6

ST7

ST8

ST8

ST10

ST10

ST12

ST14

ST16

ST18

Code
P	Pitch
d
wrench,Code
Pins,GB119-86

010	011	012	013	014	015	016	017	018	019
1	1	1	1.25	1	1.5	1.5	1.5	1.5	1.5
4	5	6	6	8	8	9	11	13	15
010-1	011-1	012-1	013-1	014-1	015-1	016-1	017-1	018-1	019-1
D3*80	D3*80	D3*80	D3*80	D3*80	D3*80	D4*80	D4*80	D4*80	D6*100

Screw Thread
d

ST20

ST22

ST24

ST27

ST27

ST30

ST30

ST33

ST33

Code
P	Pitch
d
wrench,Code
Pins,GB119-86

020	021	022	023	024	025	026	027	028
1.5	1.5	1.5	1.5	2	1.5	2	1.5	2
17	19	21	24	23.5	27	26.5	30	29.5
020-1	021-1	022-1	023-1	024-1	025-1	026-1	027-1	028-1
D6*100	D6*100	D6*100	D8*120	D8*120	D8*120	D8*120	D8*120	D8*120

Alternative history

HB 4277 - 1989 HB 4277 - 2004

Similar Standards

1		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Dismantle tool for wire thread insert
2		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Installation tools for wire thread insert
3		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Special tap for wire thread insert with UNC thread
4		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Installation tools for wire thread insert
5		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Dismantle tools for wire thread insert
6		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Motor-driven installation tools for wire thread insert
7		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Dismantle tools for wire thread insert
8		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Aerodynamic installation tools for wire thread insert
9		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Special tap for wire thread insert with UNF thread
10		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Installation tools for wire thread insert
11		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Installation tools for wire thread insert
12		[ASME/ANSI] ASME/ANSI B 18.29.1 - 1993	Installation tools for wire thread insert