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(Non-preferred) dimensions in parentheses.

Unit:mm

Fasteners — Hexalobular Socket Countersunk Flat Head Screws

ISO 14581 - 2013

Display drawing:

国际ISO 14581 - 2013 ISO14581 14581ISO Fasteners — Hexalobular Socket Countersunk Flat Head Screws
Download CAD Model
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.
Screw Thread
d
M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10
P Pitch
dk theoretical max
actual max=nominal size
min
k max
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
4.4 5.5 6.3 8.2 9.4 10.4 12.6 17.3 20
3.8 4.7 5.5 7.3 8.4 9.3 11.3 15.8 18.3
3.5 4.4 5.2 6.94 8.04 8.94 10.87 15.37 17.78
1.2 1.5 1.65 2.35 2.7 2.7 3.3 4.65 5
1 1.1 1.25 1.5 1.75 2 2.5 3.2 3.8
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
0.64 0.79 0.83 1.32 1.53 1.51 1.78 2.54 2.8
0.51 0.66 0.7 1.16 1.14 1.12 1.39 2.15 2.41
Weight of per 1000 steel products(≈kg)
- - - - - - - - -
Length of Thread b min
- - - - - - - - -
①,A) amax ≤ 2P ； B) amax ≤ 2.5P

Suppliers

Best price if from GlobalFastener.com.
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
Contact us via Email
GotopScrews International Co., Limited

  • Manager Zhuang

  • +86-13008864675

  • +86-755-89505088

  • Material: carbon steel, alloy steel, stainless steel, copper, aluminum, titanium; Specifications: M0.6~M6; Length: 1~60mm; Surface Treatment: galvanizing, nickel plating, zinc nickel alloy, electrophoresis, dacromet, CD grain, PVD, etc.
Contact us via Email

Similar Standards

1 Hexagon lobular socket countersunk head screws [GB]
GB 2673 - 1986 		Hexagon lobular socket countersunk head screws

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2 Hexalobular Lobular Socket Countersunk Head Screws [GB]
GB /T 2673 - 2007 		Hexalobular Lobular Socket Countersunk Head Screws

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3 Hexalobular Socket Countersunk Flat Head Screws [GB]
GB /T 2673.1 - 2018 		Hexalobular Socket Countersunk Flat Head Screws

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4 Hexalobular Socket Countersunk Head Screws, High Head [ISO]
ISO 14582 - 2013 		Hexalobular Socket Countersunk Head Screws, High Head
5 82° Hexalobular Socket Countersunk Flat Head Screws [ASME]
ASME B 18.6.3 (T2-VI) - 2013 		82° Hexalobular Socket Countersunk Flat Head Screws
6 Hexalobular Socket High Countersunk Head Screws [GB]
GB /T 2673.2 - 2020 		Hexalobular Socket High Countersunk Head Screws
7 Screws With Six Lobes Recessed Countersunk Head - Symbol FX [NF]
NF E 25-107 - 2007 		Screws With Six Lobes Recessed Countersunk Head - Symbol FX
8 Hexagon Socket Flat Countersunk Head Cap [ASTM]
ASTM 18.3 (Table 8-III) - 2012 		Hexagon Socket Flat Countersunk Head Cap