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DIN 963

Slotted Countersunk Head Screws

Equivalent Standard: ISO 2009 | UNI 6109

Metric DIN 963 are slotted drive flat countersunk head machine screws. Metric machine screws are designed for metal to metal applications requiring a pre-drilled hole and a mating metric nut for the screw to thread into. These screws are usually fully threaded with machine threads and blunt point. The recommended pre-drilled hole sizes vary depending on the diameter of the screw to be used but should be slightly larger in diameter than the major (maximum) thread diameter. These screws are available in zinc plated steel as well as stainless steel A2 and A4. Metric flat countersunk heads have a flat top surface and a cone-shaped bearing surface with a head angle of approximately 90°. They are used for applications where the head must be flush with the mating surface of the substrate. BRK Industries offers over 500.000 unique fastener products from stock in inch and metric standard in a variety of materials and finishes. The following sizes of metric DIN 963 slotted drive flat countersunk head machine screws are available for immediate shipping from stock: Diameters ranging from M1 to M20 up to 100mm long in zinc plated steel and stainless steel A2 and A4. View parts by clicking on the following link: Slotted Drive Flat Countersunk Head Machine Screws DIN 963.

  • DIN 963 Slotted Countersunk Head Screws
  • Material Grade: 4.8
  • Finish: Self, Black, Bright Zinc, Hot Dip Galvanized
  • Thread: METRIC

Technical Specification for DIN 963 Slotted Countersunk Head Screws

Thread dM1M1,2M1,4M1,6M2M2,5M3(M3,5)M4M5M6M8M10M12(M14)M16(M18)M20
P0,250,250,30,350,40,450,50,60,70,811,251,51,75222,52,5
amax.0,50,50,60,70,80,911,21,41,622,533,54455
bmin.full thread151618192022252834404652586470
dknominal=max.1,92,32,633,84,75,66,57,59,21114,5182225293336
min.1,762,062,462,863,54,45,36,147,148,8410,5714,0717,5721,4824,4828,4832,3835,38
kmax.0,60,720,860,961,21,51,651,932,22,5345678910
nnominal0,250,30,30,40,50,60,80,811,21,622,533445
max.0,310,360,360,460,560,660,860,961,061,261,662,062,563,063,064,074,075,07
min.0,450,50,50,60,70,8111,21,511,912,312,813,313,314,374,375,37
rmax.0,10,120,140,160,20,250,30,350,40,50,60,811,21,41,61,82
tmin.0,20,250,280,320,40,50,60,70,811,21,622,42,83,23,64
max.0,30,350,40,450,60,70,8511,11,31,62,12,633,544,55
xmax.0,911,11,251,51,7522,53,23,84,4556,36,3
lweight (7,85 kg/dm3) kg/1000pcs
nominalmin.max.
21,82,20,0140,0230,0330,046              
32,83,20,0190,0310,0420,0580,1010,175            
43,754,250,0230,0370,0510,0690,1190,2060,2910,434          
54,755,250,0270,0430,060,0810,1370,2360,3350,4940,676         
65,756,25 0,0490,0690,0930,1520,2660,3790,5540,7541,21        
87,78,3  0,0870,1160,1930,3260,4670,6730,91,452,19       
109,710,3  0,1050,1390,2310,3860,5550,7921,061,72,545,03      
1211,6512,35    0,2680,4460,6430,9111,221,952,895,679,59     
(14)13,6514,35    0,3060,5070,7311,031,372,193,256,310,6     
1615,6516,35    0,3430,5670,821,151,532,443,616,9411,6     
(18)17,6518,35    0,3810,6270,9081,271,682,693,957,5712,6     
2019,620,4     0,6870,9961,391,842,944,318,2113,620,8    
(22)21,622,4     0,7471,081,511,993,184,668,8414,622,231,9   
2524,625,4     0,8381,221,692,223,555,199,7916,124,434,947,7  
(28)27,628,4      1,351,872,463,935,7210,717,626,637,951,767,3 
3029,630,4      1,441,992,614,166,0811,418,628,139,954,472,390,5
3534,535,5       2,292,994,766,961321,131,744,961,180,6101
4039,540,5        3,365,397,8414,623,635,349,867,688,9111
4544,545,5         6,028,7316,226,13954,874,597,2122
5049,550,5         6,659,6117,828,642,659,881,1105132
555456           19,431,146,264,787,8114143
605961            33,749,869,794,4122153
706971             51,779,7108138174
807981             64,489,7121155195
908991               134171216
10099101               148188237
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