Ifi Self-Drilling Screws. 
* Pan Head Self-Drilling Screws.

 
 
Thead Size
# 4
# 6
# 7
# 8
# 10
# 12
# 14
DK
0.205
0.256
0.281
0.306
0.357
0.407
0.473
K
0.08
0.097
0.106
0.115
0.133
0.151
0.175
L
5/16-1"
5/16-2"
3/8-2"
3/8-2-1/2"
3/8-2-1/2"
1/2-4"
1/2-6"
 
Ifi Self-Drilling Screws. 
* Flat Head Self-Drilling Screws. 
 
Thead Size
# 4
# 6
# 7
# 8
# 10
# 12
# 14
DK
0.195
0.244
0.268
0.292
0.34
0.289
0.452
K
0.067
0.083
0.091
0.1
0.116
0.132
0.153
L
5/16-1"
5/16-2"
3/8-2"
3/8-2-1/2"
3/8-2-1/2"
1/2-4"
1/2-6"
 
Ifi Self-Drilling Screws. 
* Oval Head Self-Drilling Screws.
 
 
Thead Size
# 4
# 6
# 7
# 8
# 10
# 12
# 14
DK
0.225
0.279
0.305
0.332
0.34
0.389
0.452
K
0.067
0.083
0.091
0.1
0.116
0.132
0.232
L
5/16-1"
5/16-2"
3/8-2"
3/8-2-1/2"
3/8-2-1/2"
1/2-4"
1/2-6"
 
Ifi Self-Drilling Screws. 
* Hex Washer Head Self-Drilling Screws. 
 
Thead Size
# 4
# 6
# 7
# 8
# 10
# 12
# 14
DK
0.243
0.328
0.328
0.348
0.414
0.432
0.52
K
0.06
0.093
0.093
0.11
0.12
0.155
0.19
L
5/16-1"
5/16-2"
3/8-2"
3/8-2-1/2"
3/8-2-1/2"
1/2-4"
1/2-6"
 

JIAXING HAIGUANG IMPORT&EXPORT CO.,LTD
HAIYAN DAMEIYI STANDARD FASTENERS CO.,LTD
ADDRESS: ROOM 403--406 COMPLEX BUILDING NO.279 NORTH CHANG AN ROAD ,WUYUAN TOWN,HAIYAN COUNTY,ZHEJIANG,CHINA
Tel;86-573-86059765 Fax:86-573-86059965
www.zj-haiyue.com