Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Socket Set Screws With Flat Point

GB 77 - 1985

Display drawing:

Download CAD Model^*

^*Models with different eras.

Thread Size
d

M1.6

M2.5

M10

M12

M16

M20

M24

P	Pitch
d_p	max
d_p	min
e	min
s	Nominal Size
	max
	min
t	1
t	2
L₀ ^①	Nominal Size

0.35	0.4	0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2.5	3
0.80	1.00	1.50	2.00	2.50	3.5	4.0	5.5	7.00	8.50	12.00	15.00	18.00
0.55	0.75	1.25	1.75	2.25	3.2	3.7	5.2	6.64	8.14	11.57	14.57	17.57
0.803	1.003	1.427	1.73	2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43	13.72
0.7	0.9	1.3	1.5	2	2.5	3	4	5	6	8	10	12
0.724	0.902	1.295	1.545	2.045	2.560	3.08	4.095	5.095	6.095	8.115	10.115	12.142
0.711	0.889	1.270	1.520	2.020	2.520	3.020	4.020	5.020	6.020	8.025	10.025	12.032
0.7	0.8	1.2	1.2	1.5	2	2	3	4	4.8	6.4	8	10
1.5	1.7	2	2	2.5	3	3.5	5	6	8	10	12	15
2	2.5	3	3	4	5	6	6	8	12	16	16	20

①,When L ≤ L0, it is a short screw; When L>L0, it is a long screw.

Alternative history

GB 77 - 1985 GB /T 77 - 2000 GB /T 77 - 2007

Suppliers

Best price if from GlobalFastener.com.

Ningbo Zhenhai Fumei Set Screw Factory

Manager Xie
+86-13586889678
+86-574-86582963、86572963

Material: 304, 316, 316L, copper, alloy steel, carbon steel; Nominal diameter: M2.5-M20, length: 3-150mm; Surface treatment: chrome / silver plated, black zinc plated

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Similar Standards

1	[ISO] ISO 4026 - 1993	Hexagon socket set screws with flat point View Suppliers
2	[ISO] ISO 4026 - 2003	Hexagon Socket Set Screws with Flat Point View Suppliers
3	[GB] GB /T 77 - 2000	Hexagon Socket Set Screws with Flat Point View Suppliers
4	[GB] GB /T 77 - 2007	Hexagon Socket Set Screws With Flat Point View Suppliers
5	[ASME/ANSI] ASME/ANSI B 18.3.6M (FLAT) - 1993	Metric Hexagon Socket Flat Point Set Screws
6	[ASME/ANSI] ASME/ANSI B 18.3.6M (FLAT) - 1986 (R2002)	Metric Hexagon Socket Flat Point Set Screws (ASTM F912M / F880M /A1-70)
7	[ASME/ANSI] ASME/ANSI B 18.3 - 2003	Spline socket set screws (flat point)
8	[DIN EN ISO] DIN EN ISO 4026 - 2004	Hexagon Socket Set Screws with Flat Point
9	[DIN] DIN 913 - 1980	Hexagon Socket Set Screws With Flat Point
10	[ASME] ASME B 18.3 - 2003 (R2008)	Hexagon Socket Set Screws (Flat Piont)
11	[ASME] ASME B 18.3 (T14 FLAT) - 2012	Hexagon Socket Set Screws (Flat Piont) [Table 14] (ASTM F912 / F880)
12	[BS] BS 4168 (-2) - 1981	Hexagon Socket Set Screws With Flat Point
13	[UNI] UNI 5923 - 1985	Hexagon Socket Set Screws With Flat Point-ISO Metric Coarse And Fine Thread - Product Grade A
14	[NF] NF E 25-171 - 2004	Hexagon Socket Set Screws with Flat Point
15	[BS] BS 4168-2 - 1994	Hexagon Socket Set Screws With Flat Point
16	[JIS] JIS B 1177 - 1988	Hexagon socket screws with flat point
17	[BS] BS 2470 - 1973	Hexagon Socket Set Screws With Flat Point - BA Thread
18	[BS] BS 2470 - 1973	Hexagon Socket Set Screws With Flat Point, BSW and BSF Threads
19	[JIS] JIS B 1177 (T1) - 1997	Hexagon socket set screws with flat point
20	[BS] BS 2470 - 1973	Hexagon Socket Set Screws With Flat Point - Unified Thread
21	[JIS] JIS B 1177 (T2) - 2007	Hexagon Socket Set Screws With Flat Point
22	[AS] AS /NZS 1421 - 1996	ISO Metric Hexagon Socket Set Screws - Flat Point [Table 2]
23	[CNS] CNS 4482 - 1981	Hexagon Socket Set Screws with Flat Point
24	[KS] KS B 1028 (T1) - 1990 (R2020)	Hexagon Socket Set Screw with Flat Point
25	[IS] IS 6094 (-1) - 2006	Hexagon Socket Set Screws With Flat Point