Click Specification

M2.5

(M3.5)

(Non-preferred) dimensions in parentheses.

Cross Recessed Small Pan Head Screws

GB 823 - 1988

Display drawing:

Download CAD Model^*

^*Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs

Default density g/cm³

Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.

Screw Thread
d

M2.5

(M3.5)

P	Pitch
a	max
d_k	max
d_k	min
k	max
k	min
x	max
Socket No.
m	Ref.
Penetration depth	max
Penetration depth	min

0.4	0.45	0.5	0.6	0.7	0.8	1	1.25
0.8	0.9	1	1.2	1.4	1.6	2	2.5
3.5	4.5	5.5	6.0	7.0	9.0	10.5	14.0
3.2	4.2	5.2	5.7	6.64	8.64	10.07	13.57
1.4	1.8	2.15	2.45	2.75	3.45	4.1	5.4
1.26	1.66	2.01	2.31	2.61	3.27	3.8	5.1
1	1.1	1.25	1.5	1.75	2	2.5	3.2
1	1	2	2	2	2	3	3
2.2	2.6	3.5	3.8	4.1	4.8	6.2	7.7
1.01	1.42	1.43	1.73	2.03	2.73	2.86	4.36
0.6	1.00	0.86	1.15	1.45	2.14	2.26	3.73

Weight of per 1000 steel products(≈kg)

Length of Thread b

min

②,The diameter of the threadless part is approximately equal to the pitch diameter or major diameter

Alternative history

GB 823 - 1988 GB /T 823 - 2016

Suppliers

Best price if from GlobalFastener.com.

Jiangsu BofanKe Precision Metal Technology Co., Ltd.

Director Tang
+86-15298892886/15262400870
+86-516-86839568

Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm

Yuyao Hutson Metal Product Co., Ltd.

Ma Huazhen/Xu Tianyang
+86-13095941973, 18268663653
+86-574-62761228

Material: stainless steel, A2-70, A2-80, A4-70, A4-80, A2(302, 303, 304), A4(316), 410, 430; Complete specifications

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