What is a slotted Screw used for?
The slotted screw is a screw fastener with a single groove across the diameter of the head. The slotted screw is commonly found in existing products and installations, along with use in simple carpentry work and in applications where minimal torque is needed. Slot screws are also used in the restoration of antique furniture, vehicles, and equipment. also, We may need to know Slotted Screw Dimensions Size Chart when we look for Slotted screws, The slotted screw thread is a very common groove drive and this type of drive is used in many types screws, such as machine screws, self-tapping screws, self-drilling screw. The screw has a lot of dimensions, head shape, and thread type. below list is some common Slotted Screw Size Chart Demension
Flat Countersunk Head Machine Slotted Screw Size Chart
Thread Size(d) | 0000# | 0000# | 00# | 0# | 1# | 2# | 3# | 4# | 5# | 6# | 8# | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
d | Nominal Size | 0.021 | 0.034 | 0.047 | 0.06 | 0.073 | 0.086 | 0.099 | 0.112 | 0.125 | 0.138 | 0.164 | |
PP | UNC | – | – | – | – | 64 | 56 | 48 | 40 | 40 | 32 | 32 | |
L ② | – | – | – | 1/8 | 1/8 | 1/8 | 1/8 | 3/16 | 3/16 | 3/16 | 1/4 | ||
dk | max | 0.04 | 0.06 | 0.087 | 0.112 | 0.137 | 0.162 | 0.187 | 0.212 | 0.237 | 0.262 | 0.312 | |
min | 0.035 | 0.055 | 0.08 | 0.096 | 0.12 | 0.144 | 0.167 | 0.191 | 0.215 | 0.238 | 0.285 | ||
k | Ref | 0.011 | 0.016 | 0.028 | 0.035 | 0.043 | 0.051 | 0.059 | 0.067 | 0.075 | 0.083 | 0.1 | |
n | max | 0.008 | 0.011 | 0.017 | 0.023 | 0.026 | 0.031 | 0.035 | 0.039 | 0.043 | 0.048 | 0.054 | |
min | 0.004 | 0.007 | 0.01 | 0.016 | 0.019 | 0.023 | 0.027 | 0.031 | 0.035 | 0.039 | 0.045 | ||
t | max | 0.007 | 0.009 | 0.014 | 0.015 | 0.019 | 0.023 | 0.027 | 0.03 | 0.034 | 0.038 | 0.045 | |
min | 0.003 | 0.005 | 0.009 | 0.01 | 0.012 | 0.015 | 0.017 | 0.02 | 0.022 | 0.024 | 0.029 |
Thread Size (d) | 10# | 12# | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d | Nominal Size | 0.19 | 0.216 | 0.25 | 0.3125 | 0.375 | 0.4375 | 0.5 | 0.5625 | 0.625 | 0.75 | |
PP | UNC | 24 | 24 | 20 | 18 | 16 | 14 | 13 | 12 | 11 | 10 | |
L ② | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | – | – | – | ||
dk | max | 0.362 | 0.412 | 0.477 | 0.597 | 0.717 | 0.76 | 0.815 | 0.932 | 1.05 | 1.285 | |
min | 0.333 | 0.38 | 0.442 | 0.556 | 0.67 | 0.715 | 0.765 | 0.878 | 0.99 | 1.215 | ||
k | Ref | 0.116 | 0.132 | 0.153 | 0.191 | 0.23 | 0.223 | 0.223 | 0.26 | 0.298 | 0.372 | |
n | max | 0.06 | 0.067 | 0.075 | 0.084 | 0.094 | 0.094 | 0.106 | 0.118 | 0.133 | 0.149 | |
min | 0.05 | 0.056 | 0.064 | 0.072 | 0.081 | 0.081 | 0.091 | 0.102 | 0.116 | 0.131 | ||
t | max | 0.053 | 0.06 | 0.07 | 0.088 | 0.106 | 0.103 | 0.103 | 0.12 | 0.137 | 0.171 | |
min | 0.034 | 0.039 | 0.046 | 0.058 | 0.07 | 0.066 | 0.065 | 0.077 | 0.088 | 0.111 |
Countersunk slotted raised head screws Size Chart
Screw Thread(d) | M1.6 | M2 | M2.5 | M3 | M3.5 | M4 | M5 | M6 | M8 | M10 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|
P | Pitch | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | |
a | max | 0.7 | 0.8 | 0.9 | 1 | 1.2 | 1.4 | 1.6 | 2 | 2.5 | 3 | |
dk | Theoretical | max | 3.6 | 4.4 | 5.5 | 6.3 | 8.2 | 9.4 | 10.4 | 12.6 | 17.3 | 20 |
Actual | max=nominal size | 3 | 3.8 | 4.7 | 5.5 | 7.3 | 8.4 | 9.3 | 11.3 | 15.8 | 18.3 | |
min | 2.7 | 3.5 | 4.4 | 5.2 | 6.94 | 8.04 | 8.94 | 10.87 | 15.37 | 17.78 | ||
f | ≈ | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.2 | 1.4 | 2 | 2.3 | |
k | max=nominal size | 1 | 1.2 | 1.5 | 1.65 | 2.35 | 2.7 | 2.7 | 3.3 | 4.65 | 5 | |
n | Nominal Size | 0.4 | 0.5 | 0.6 | 0.8 | 1 | 1.2 | 1.2 | 1.6 | 2 | 2.5 | |
max | 0.6 | 0.7 | 0.8 | 1 | 1.2 | 1.51 | 1.51 | 1.91 | 2.31 | 2.81 | ||
min | 0.46 | 0.56 | 0.66 | 0.86 | 1.06 | 1.26 | 1.26 | 1.66 | 2.06 | 2.56 | ||
r | max | 0.4 | 0.5 | 0.6 | 0.8 | 0.9 | 1 | 1.3 | 1.5 | 2 | 2.5 | |
R | ≈ | 3 | 4 | 5 | 6 | 8.5 | 9.5 | 9.5 | 12 | 16.5 | 19.5 | |
t | max | 0.8 | 1 | 1.2 | 1.45 | 1.7 | 1.9 | 2.4 | 2.8 | 3.7 | 4.4 | |
min | 0.64 | 0.8 | 1 | 1.2 | 1.4 | 1.6 | 2 | 2.4 | 3.2 | 3.8 | ||
x | max | 0.9 | 1 | 1.1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3.2 | 3.8 |
Hexagon Socket Set Screws With Dog Point Size Chart
Thread Size(d) | M1.4 | M1.6 | M1.8 | M2 | M2.5 | M3 | M4 | M5 | M6 | |
---|---|---|---|---|---|---|---|---|---|---|
dp | 0.7 | 0.7 | 0.8 | 1 | 1.5 | 2 | 2.5 | 3.5 | 4 | |
s | Nominal Size | 0.7 | 0.7 | 0.7 | 0.9 | 1.3 | 1.5 | 2 | 2.5 | 3 |
max | 0.724 | 0.724 | 0.724 | 0.9125 | 1.295 | 1.545 | 2.045 | 2.56 | 3.06 | |
min | 0.71 | 0.71 | 0.71 | 0.8875 | 1.27 | 1.52 | 2.02 | 2.52 | 3.02 | |
t | min | 1.4 | 1.5 | 1.6 | 1.6 | 2 | 2 | 2.5 | 3 | 3.5 |
z | short | 0.5 | 0.5 | 0.6 | 0.75 | 1 | 1.2 | 1.5 | 1.5 | 1.7 |
Long | 1 | 1 | 1.2 | 1.5 | 2 | 2.5 | 3 | 3 | 3.5 | |
e | 0.8 | 0.8 | 0.8 | 1.05 | 1.5 | 1.8 | 2.3 | 2.9 | 3.5 |
Thread Size(d) | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | |
---|---|---|---|---|---|---|---|---|---|---|
dp | 5.5 | 7 | 8.5 | 10 | 12 | 13 | 15 | 17 | 18 | |
s | Nominal Size | 4 | 5 | 6 | 6 | 8 | 10 | 10 | 12 | 12 |
max | 4.068 | 5.068 | 6.095 | 6.095 | 8.115 | 10.115 | 10.115 | 12.142 | 12.142 | |
min | 4.02 | 5.02 | 6.02 | 6.02 | 8.025 | 10.025 | 10.025 | 12.032 | 12.032 | |
t | min | 5 | 6 | 8 | 8 | 10 | 12 | 12 | 15 | 15 |
z | short | 2.5 | 2.7 | 3.5 | 3.5 | 4.5 | 4.5 | 4.5 | 5.5 | 5.5 |
Long | 5 | 5.5 | 7 | 7 | 9 | 9 | 9 | 11 | 11 | |
e | 4.7 | 5.8 | 7 | 7 | 9.4 | 11.7 | 11.7 | 14 | 14 |
Knurled Thumb Slotted Screws With Waisted Shank Size Chart
Screw Thread(d) | M3 | M4 | M5 | M6 | M8 | M10 | |
---|---|---|---|---|---|---|---|
P | pitch | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
ds | max | 2 | 2.8 | 3.5 | 4.5 | 5.5 | 7 |
min | 1.86 | 2.66 | 3.32 | 4.32 | 5.32 | 6.78 | |
dk | before knurled( max ) | 5 | 8 | 9 | 11 | 14 | 17 |
min | 4.82 | 7.78 | 8.78 | 10.73 | 13.73 | 16.73 | |
k | max | 4.5 | 6.5 | 7 | 10 | 12 | 13.5 |
min | 4.32 | 6.32 | 6.78 | 9.64 | 11.57 | 13.07 | |
n | Nominal Size | 0.8 | 1.2 | 1.2 | 1.6 | 2 | 2.5 |
max | 1 | 1.51 | 1.51 | 1.91 | 2.31 | 2.81 | |
min | 0.86 | 1.26 | 1.28 | 1.66 | 2.06 | 2.56 | |
t | min | 0.7 | 1 | 1.2 | 1.4 | 1.9 | 2.4 |
b | thread length | 4 | 6 | 8 | 10 | 12 | 15 |
r | min | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 |
h | 1 | 1.5 | 1.5 | 2 | 2.5 | 2.5 | |
B | ≈ | 1 | 1.5 | 1.5 | 2 | 2.5 | 3 |
R | ≈ | 0.5 | 0.75 | 0.75 | 1 | 1.25 | 1.5 |
c | 1 | 1.2 | 1.6 | 2 | 2.5 | 3 | |
c1 | 0.3 | 0.3 | 0.5 | 0.5 | 0.8 | 0.8 |
Slotted Pan Captive Screw Bolt Size Chart
Thread Size (d) | M3 | M4 | M5 | M6 | M8 | M10 | |
---|---|---|---|---|---|---|---|
P | Thread Pitch | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
b1 | 0 ~ +2P Type K | 3.8 | 5 | 6.25 | 7.5 | 10 | 12.5 |
Type L | 12 | 14 | 16 | 18 | 22 | 26 | |
b2 | 0 ~ +2P Type K | 4.5 | 6 | 7.55 | 8.5 | 11.2 | 14.3 |
Type L | 12.7 | 15 | 17.3 | 19 | 23.2 | 27.8 | |
r | min | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 |
ds | max | 2.3 | 3 | 3.9 | 4.6 | 6.2 | 7.7 |
min | 2.1 | 2.8 | 3.7 | 4.4 | 6 | 7.5 | |
dk | max=nominal size | 6 | 8 | 10 | 12 | 16 | 20 |
min | 5.7 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 | |
k | max=nominal size | 1.8 | 2.4 | 3 | 3.6 | 4.8 | 6 |
min | 1.6 | 2.15 | 2.75 | 3.3 | 4.5 | 5.7 | |
n | Nominal Size | 0.8 | 1.2 | 1.2 | 1.6 | 2 | 2.5 |
min | 0.86 | 1.26 | 1.26 | 1.66 | 2.06 | 2.56 | |
max | 1 | 1.51 | 1.51 | 1.91 | 2.31 | 2.81 | |
t | min | 0.7 | 1 | 1.2 | 1.4 | 1.9 | 2.4 |
Types of Slotted Screw
Slotted is a kind of drive type, because of different material and threads, screw head can have many types
Materials
- Stainless steel
- Brass
- Copper
- Carbon steel
- Aluminum
- titanium
- steel
- Bronze
Screw Head
- Pan
- Truss
- Cheese
- Countersunk
- Flat
- Knurled
- Fillister Head
- Oval
Thread type
- Machine screw
- Self-tapping screw
- Captive screw
- Shoulder screw
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