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

Similar Standards

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