DIN603 Cup Head Square Neck Bolts Carbon Steel Stainless Steel Best Quality China Supplier

Product Introduction

Cup head square neck bolts, also called carriage bolts. It has carbon steel, stainless steel and other materials. It needs to be used with nuts to fasten and connect two through holes.

The neck of Cup head square neck bolts is square to prevent the bolt from turning. At the same time, the head of the Cup head square neck bolts is round and cannot be disassembled with tools. Therefore, it has certain anti-theft function.

Two stainless steel cup head square neck bolts

Product Details

SIZE: M5-M20

MATEAIL: Carbon Steel, Stainless Steel

STANDARD: DIN603

GRADE: 4.8, 8.8, 10.9, 12.9 / A2-70

SURFACE TREATMENT: ZP, HDG, BLACK, Dacromet

CUSTOMIZED SUPPORT: YES

DIN603 Cup Head Square Neck Bolt Specifications

    Screw Thread
d
    M5
    M6
    M8
    M10
    M12
    M16
    M20
  


    P
    Pitch
    0.8
    1
    1.25
    1.5
    1.75
    2
    2.5
  

    b
    L≤125
    16
    18
    22
    26
    30
    38
    46
  

    125＜L≤200
    22
    24
    28
    32
    36
    44
    52
  

    L＞200
    /
    /
    41
    45
    49
    57
    65
  

    dk
    max
    13.55
    16.55
    20.65
    24.65
    30.65
    38.8
    46.8
  

    min
    12.45
    15.45
    19.35
    23.35
    29.35
    37.2
    45.2
  

    ds
    max
    5
    6
    8
    10
    12
    16
    20
  

    min
    4.52
    5.52
    7.42
    9.42
    11.3
    15.3
    19.16
  

    k1
    max
    4.1
    4.6
    5.6
    6.6
    8.75
    12.9
    15.9
  

    min
    2.9
    3.4
    4.4
    5.4
    7.25
    11.1
    14.1
  

    k
    max
    3.3
    3.88
    4.88
    5.38
    6.95
    8.95
    11.05
  

    min
    2.7
    3.12
    4.12
    4.62
    6.05
    8.05
    9.95
  

    r1
    ≈
    10.7
    12.6
    16
    19.2
    24.1
    29.3
    33.9
  

    r2
    max
    0.5
    0.5
    0.5
    0.5
    1
    1
    1
  

    r3
    max
    0.75
    0.9
    1.2
    1.5
    1.8
    2.4
    3
  

    s
    max
    5.48
    6.48
    8.58
    10.58
    12.7
    16.7
    20.84
  

    min
    4.52
    5.52
    7.42
    9.42
    11.3
    15.3
    19.16
  

Screw Thread d	M5	M6	M8	M10	M12	M16	M20
P	Pitch	0.8	1	1.25	1.5	1.75	2	2.5
b	L≤125	16	18	22	26	30	38	46
125＜L≤200	22	24	28	32	36	44	52
L＞200	/	/	41	45	49	57	65
dk	max	13.55	16.55	20.65	24.65	30.65	38.8	46.8
min	12.45	15.45	19.35	23.35	29.35	37.2	45.2
ds	max	5	6	8	10	12	16	20
min	4.52	5.52	7.42	9.42	11.3	15.3	19.16
k1	max	4.1	4.6	5.6	6.6	8.75	12.9	15.9
min	2.9	3.4	4.4	5.4	7.25	11.1	14.1
k	max	3.3	3.88	4.88	5.38	6.95	8.95	11.05
min	2.7	3.12	4.12	4.62	6.05	8.05	9.95
r1	≈	10.7	12.6	16	19.2	24.1	29.3	33.9
r2	max	0.5	0.5	0.5	0.5	1	1	1
r3	max	0.75	0.9	1.2	1.5	1.8	2.4	3
s	max	5.48	6.48	8.58	10.58	12.7	16.7	20.84
min	4.52	5.52	7.42	9.42	11.3	15.3	19.16

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