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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Cross Recessed Countersunk Head Screws

UNI 7688 - 1977

Display drawing:

意大利UNI 7688 - 1977 UNI7688 7688UNI Cross Recessed Countersunk Head Screws
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
M2.5 M3 (M3.5) M4 M5 M6 M8 M10
P Pitch
dk max
min
k max
Socket No.
m Type H
Type Z
0.45 0.5 0.6 0.7 0.8 1 1.25 1.5
4.7 5.6 6.5 7.5 9.2 11 14.5 18
4.4 5.3 6.14 7.14 8.84 10.57 14.07 17.57
1.5 1.65 1.93 2.2 2.5 3 4 5
1 1 2 2 2 3 4 4
2.7 2.9 3.9 4.4 4.6 6.6 8.7 9.6
2.8 3 4 4.2 4.4 6.1 8.6 9.4
Weight of per 1000 steel products(≈kg)
- - - - - - - -
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JIS B 1111 (T2) - 2006 		Cross Recessed Countersunk Head Screws - Class 4.8
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