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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Slotted hexagon bolts

GB 29 - 1976

Display drawing:

国标GB 29 - 1976 GB29 29GB Slotted hexagon bolts
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 .
Screw Thread
d
M3 M4 M5 M6 M8 M10 M12
P Pitch
s max
min
k Nominal Size
max
min
n max
min
t Nominal Size
max
min
e
0.5 0.7 0.8 1 1.25 1.5 1.75
5.5 7 8 10 14 17 19
5.34 6.8 7.8 9.8 13.76 16.76 18.72
2 2.8 3.5 4 5.5 7 8
2.2 3 3.74 4.24 5.74 7.29 8.29
1.8 2.6 3.26 3.76 5.26 6.71 7.71
0.96 1.25 1.45 1.75 2.25 2.75 3.25
0.8 1 1.2 1.5 2 2.5 3
1 1.4 1.7 2 2.5 3 3.5
1.3 1.7 2 2.3 2.8 3.3 3.85
0.8 1.2 1.5 1.8 2.3 2.8 3.25
6.3 8.1 9.2 11.5 16.2 19.6 21.9
Weight of per 1000 steel products(≈kg)
- - - - - - -

Alternative history

GB 29 - 1976 GB /T 29.1 - 1988 GB /T 29.1 - 2013
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Similar Standards

1 Cross recessed hexagon bolts with indentation [GB]
GB /T 29.2 - 1988 		Cross recessed hexagon bolts with indentation

View Suppliers
2 Hexagon Bolts With Slot On Head [GB]
GB /T 29.1 - 2013 		Hexagon Bolts With Slot On Head
3 Hexagon Bolts With Slot On Head - Product A and B [GB]
GB /T 29.1 - 1988 		Hexagon Bolts With Slot On Head - Product A and B
4 Plain (Unslotted) and Slotted Regular and Large Hex Head Screws [Table 29] (ASTM F837, F468) [ASME]
ASME B 18.6.3 (T29) - 2013 		Plain (Unslotted) and Slotted Regular and Large Hex Head Screws [Table 29] (ASTM F837, F468)
5 Plain and Slotted Hexagon Head Screws [Table 16] [BS]
BS 1981 - 1991 		Plain and Slotted Hexagon Head Screws [Table 16]
6 Slotted Hexagon Head Screws For Metal, Product Grade A, Symbol HS [NF]
NF E 25-137 - 1986 		Slotted Hexagon Head Screws For Metal, Product Grade A, Symbol HS
7 Slotted Hexagon Head Bolts With Reduced Body [CNS]
CNS 4702 - 1982 		Slotted Hexagon Head Bolts With Reduced Body