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1/4" 1/2" 3/4" 3/8" 5/8" 5/16" Metal Black Oxide Flat Washers M2
M2.5 M3 M3.5 M4 M5 DIN 9021
Description
Self drilling self tapping screw is suitable for wood material use,
that is, we often say wood screw, generally manual operation, due
to human constraints, this kind of screw is generally very small,
the scope of use is relatively narrow;
Self-drilling screw with tapping screw is combine tap and bolts,
the front is a tap, followed by a thread, in generally softer
materials, drilling and well can be directly turned into an empty,
by tap tapping screw, followed by a bolt thread for the matter, if
the screw diameter is small, the material is soft, not even use
first punch, such as screws into the wood;
Usage: it is a kind of screw, mainly used for fixing color steel
tile of steel structure, also can be used for fixing sheet of
simple building. It cannot be used for metal-to-metal bonding.
Material has iron, stainless steel two kinds.
Models: φ 4.2/ φ 4.8/ φ 5.5/ φ 6.3mm, the specific length can be
negotiated according to requirements.
According to the different drill tail can be divided into: round
head rice/cross/plum blossom, countersink head (flat
head)/rice/cross/plum blossom, hexagonal hua Si, round head Hua Si
(large flat head), horn head
DIN7504K, DIN7504L
Ind Hex Washer head Self Drilling Screw is one of the most popular
item among all the kinds and it is also widely applied.
Landwide makes the screws with well-formed drilling point that
enhances the drilling performance. Less effort is needed while
driving through.
It is optional to assemble with EPDM bonded washer for a better
water resistance, especially in outdoors.
Combined with the different thread type to fix steel to steel or to
fix steel to wood.
Specification
Material | C1022 |
Type Head | Hex Head |
Thread | Fine thread |
Tail | Self-tapping, Self-drilling, reduced point, Type17, Fast Type |
Surface Treatment | White Zinc, Yellow Zinc, Ruspert, Dacroment |
Package | 500pcs/baox, 1000pcs/box, carton, w/o pallet or as customers'
special request. |
Size | 4.2mm-6.3mm |
Length | 19mm-127mm |
Washer | Single washer, EPDM bonded washer, PVC washer |
Screw thread d | ST3,5 | (ST3,9) | ST4,2 | ST4,8 | ST5,5 | ST6,3 | ||
c | min. | 0,6 | 0,6 | 0,9 | 0,9 | 1 | 1 | |
dc | max. | 8,3 | 8,3 | 8,8 | 10,5 | 11 | 13,2 | |
min. | 7,6 | 7,6 | 8,2 | 9,8 | 10 | 12,2 | ||
f | approx. | 0,4 | 0,4 | 0,4 | 0,5 | 0,5 | 0,5 | |
e | min. | 5,96 | 5,96 | 7,59 | 8,71 | 8,71 | 10,95 | |
k | max. | 3,45 | 3,45 | 4,25 | 4,45 | 5,45 | 6,45 | |
min. | 3,2 | 3,2 | 4 | 4,15 | 5,15 | 6,15 | ||
k´ | min. | 1,55 | 1,55 | 1,9 | 2 | 2,7 | 3,3 | |
r | max. | 0,5 | 0,5 | 0,6 | 0,7 | 0,8 | 0,9 | |
s | nominal=max. | 5,5 | 5,5 | 7 | 8 | 8 | 10 | |
min. | 5,32 | 5,32 | 6,78 | 7,78 | 7,78 | 9,78 | ||
t | min. | 1 | 1 | 1,2 | 1,4 | 1,6 | 1,8 | |
max. | 1,4 | 1,4 | 1,6 | 1,8 | 2 | 2,2 | ||
Drilling range | from | 0,7 | 0,7 | 1,75 | 1,75 | 1,75 | 2 | |
to | 2,25 | 2,4 | 3 | 4,4 | 5,25 | 6 | ||
dp | max. | 2,8 | 3,1 | 3,6 | 4,1 | 4,8 | 5,8 | |
l | lg | |||||||
Nominal | min. | max. | min. | |||||
9,5 | 8,75 | 10,25 | 2,85 | |||||
13 | 12,1 | 13,9 | 6,2 | 5,8 | 4,3 | 4,7 | ||
16 | 15,1 | 16,9 | 9,2 | 8,8 | 7,3 | 5,8 | 5 | |
19 | 18 | 20 | 12,1 | 11,7 | 10,3 | 8,7 | 8 | 7 |
22 | 21 | 23 | 15,1 | 14,7 | 13,3 | 11,7 | 11 | 10 |
25 | 24 | 26 | 18,1 | 17,7 | 16,3 | 14,7 | 14 | 13 |
32 | 30,75 | 33,25 | 24,5 | 23 | 21,5 | 21 | 20 | |
38 | 36,75 | 39,25 | 30,5 | 29 | 27,5 | 27 | 26 | |
45 | 43,75 | 46,25 | 34,5 | 34 | 33 | |||
50 | 48,75 | 51,25 | 39,5 | 39 | 38 |
Our range of product:
BOLTS: hex bolts, heavy hex bolts, hex flange bolts, carriage
bolts, wheel bolts, stud bolts, square head bolts, T bolts, eye
bolts, U bolts, hook bolts
NUTS: hex nuts, heavy hex nuts, hex flange nuts, nylon insert lock
nuts, cap nuts, slotted nuts, rivet nut
WASHERS: flat washers, spring washers, lock washers
SCREWS: machine screws, self tapping screws, set screws, hex socket
head cap screws, wood
screws, self drilling screws
Typical size
#10 self drilling screw
#10 x 3/4 self drilling screws
#10-16 x 3/4 self drilling screw
#12 self drilling screw diameter
#12 x 1/2 self drilling screw
#14 x 1 self drilling screw
#16 self drilling screw
#20 self drilling screw
#3 point self drilling screw
#5 self drilling screws
#6 self drilling screws
#8 self drilling screw diameter
#8 self drilling screws
#8 x 1/2 self drilling screw