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Apex Slotted Screwdriver Bits
Slotted screwdriver bits from Apex® Fastener Tools formally Cooper Tools. Slotted screwdriver bits have a single slot in the fastener head and the tool used to drive a slot is called a slot-head, flat-tip, or flat head. Apex® quality begins with select raw materials, only carefully chosen, high grade tool steel is used. Each Apex® bit is manufactured to the tightest tolerances in the industry, most are even tighter than licensing agreement requirements and all Apex® bits meet the most stringent government and military specifications.
 Apex® 1/4'' hex insert slotted bits reduced tips for limited clearance.
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 Apex® 1/4'' hex insert slotted bits.
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 Apex® 5/16'' hex insert slotted bits.
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 Apex® 1/4'' hex power drive slotted bits.
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 Apex® 5/16'' hex power shank slotted bits.
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 Apex® 10-32 screw shank drive slotted bits.
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 Apex® 1/4''-24 screw shank drive slotted bits.
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 Apex® 1/4'' hex power drive slotted bits with finder sleeve.
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 Apex® 1/4'' hex power drive slotted bits, extra short series with finder sleeves.
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 Apex® 1/4'' hex power drive slotted bits, long series with finder sleeves.
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 Apex® 7/16'' hex power shank drive slotted bits with finder sleeves.
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Slotted Screw Sizes - Types Of Heads
Note: When ordering slotted bits, please remember that head sizes and slot widths of hardened, self tapping, and sheet metal screws do not conform to the same specifications as standard wood or machine screws described in the chart below. Also, because of variations in these dimensions among screws from different manufacturers, bits should be ordered to head and slot size rather than screw size.
| Screw Sizes |
Flat/Oval Head Wood |
Flat/Oval Head Mach. |
Round Head Wood |
Round Head Mach. |
Truss Head |
Binding Head |
Fillister Cap |
Fillister Mach. |
Pan Head |
Width of Slot |
|
1
|
.146
.130
|
.146
.130 |
.138
.122 |
.138
.122 |
|
|
|
.118
.104 |
|
.026
.019 |
| 2 |
.172
.156 |
.172
.156 |
.162
.146 |
.162
.146 |
.194
.180 |
.181
.171 |
|
.140
.124 |
.167
.155 |
.031
.023 |
| 3 |
.199
.181 |
.199
.181 |
.187
.169 |
.187
.169 |
.226
.211 |
.208
.197 |
|
.161
.145 |
.193
.180
|
.035
.027
|
| 4 |
.225
.207 |
.225
.207 |
.211
.193 |
.211
.193 |
.257
.241 |
.235
.223 |
|
.183
.166 |
.219
.205 |
.039
.031 |
| 5 |
.252
.232 |
.252
.232 |
.236
.217 |
.236
.217 |
.289
.272 |
.263
.249 |
|
.205
.187 |
.245
.231 |
.043
.035 |
| 6 |
.279
.257 |
.279
.257 |
.260
.240 |
.260
.240 |
.321
.303 |
.290
.275 |
|
.226
.208 |
.270
.256 |
.048
.039 |
| 7 |
.305
.283 |
|
.285
.264 |
|
.352
.333 |
|
|
|
.296
.281 |
.048
.039 |
| 8 |
.332
.308 |
.332
.308 |
.309
.287 |
.309
.287 |
.384
.364 |
.344
.326 |
|
.270
.250 |
.322
.306 |
.054
.045 |
| 9 |
.358
.334 |
|
.334
.311 |
|
|
|
|
|
|
.054
.045 |
| 10 |
.385 |
.385
.359 |
.359
.334 |
.359
.334 |
.448
.425 |
.339
.378 |
|
.313
.292 |
.373
.357 |
.060
.050 |
| 12 |
.438
.410 |
.438
.410 |
.408
.382 |
.408
.382 |
.511
.487 |
.454
.430 |
|
.357
.334 |
.425
.407 |
.067
.056 |
| 14 |
.491
.461 |
|
.457
.424 |
|
|
|
|
|
|
.075
.064 |
| 1/4'' |
|
.507
.477 |
|
.472
.443 |
.573
.546 |
.513
.488 |
.375
.363 |
.414
.389 |
.492
.473 |
.075
.064 |
| 16 |
.544
.512 |
|
.506
.476 |
|
|
|
|
|
|
.075
.064 |
| 18 |
.597
.563 |
|
.555
.523 |
|
|
|
|
|
|
.084
.072 |
| 5/16'' |
|
.635
.600 |
|
.590
.557 |
.698
.666 |
.641
.609 |
.437
.424 |
.518
.490 |
.615
.594 |
.084
.072 |
| 20 |
.650
.614 |
|
.604
.570 |
|
|
|
|
|
|
.084
.072 |
| 24 |
.756
.716 |
|
.702
.664 |
|
|
|
|
|
|
.094
.081 |
| 3/8'' |
|
.762
.722 |
|
.708
.670 |
.823
.787 |
.769
.731 |
.562
.547 |
.622
.590 |
.740
.716 |
.094
.081 |
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