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(Non-preferred) dimensions in parentheses.

Unit:mm

Hexalobular Socket Cheese(Short)Head Screws

GB /T 2671.1 - 2017

Display drawing:

国标GB /T2671.1 - 2017 GB2671.1 2671.1GB Hexalobular Socket Cheese(Short)Head Screws
Download CAD Model*

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
×

Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.
Thread Size
d
M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10
P Pitch
a max
dk max=nominal size
min
da max
k max=nominal size
min
r min
w min
x max
Socket No.
A Ref.
t max
min
0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5
0.8 0.9 1 1.2 1.4 1.6 2 2.5 3
3.8 4.5 5.5 6 7 8.5 10 13 16
3.62 4.32 5.32 5.82 6.78 8.28 9.78 12.73 15.73
2.6 3.1 3.6 4.1 4.7 5.7 6.8 9.2 11.2
1.55 1.85 2.4 2.6 3.1 3.65 4.4 5.8 6.9
1.41 1.71 2.26 2.46 2.92 3.47 4.1 5.5 6.54
0.10 0.10 0.10 0.10 0.20 0.20 0.25 0.40 0.40
0.5 0.7 0.75 1.0 1.1 1.3 1.6 2.0 2.4
1.00 1.10 1.25 1.50 1.75 2.00 2.50 3.20 3.80
T6 T8 T10 T15 T20 T25 T30 T45 T50
1.75 2.4 2.8 3.35 3.95 4.5 5.6 7.95 8.95
0.84 0.91 1.27 1.33 1.66 1.91 2.29 3.05 3.43
0.71 0.78 1.01 1.07 1.27 1.52 1.9 2.66 3.04
Weight of per 1000 steel products(≈kg)
- - - - - - - - -
Length of Thread b min
- - - - - - - - -
①,ds ≈ pitch diameter or major diameter of thread

Alternative history

GB 6190 - 1986 GB /T 2671.1 - 2004 GB /T 2671.1 - 2017
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13 Cheese head screws with hexalobular slot [ISO]
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14 Hexalobular Socket Head Cap Screws [GB]
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15 Hexalobular Socket Head Cap Screws [NF]
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17 Hexalobular socket cheese (short) head screws [GB]
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18 Hexalobular Socket Cheese Head Screws [NF]
NF E 25-111 - 2001 		Hexalobular Socket Cheese Head Screws
19 Hexalobular Socket Cheese Head Screws [JIS]
JIS B 1136 - 2014 		Hexalobular Socket Cheese Head Screws
20 Hexalobular Socket Head Cap Screws [GB]
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NF E 25-111 - 1983 		Hexalobular Socket Cheese Head Screws
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GB 6190 - 1986 		Hexagon Lobular Socket Head Cap Screws-Property Class 4.8
25 Hexalobular socket cheese head screws [JIS]
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26 Hexalobular Socket Cheese Head Screws [JIS]
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