Tools: Screwdriver

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Screwdriver :

Tools screwdriver.png

Starrett removable handle w/ blade stored.

There are a number of different types of screwdriver tips, most (all?) of which come in different sizes: https://en.wikipedia.org/wiki/List_of_screw_drives Frearson drivers are notable for working w/ any size Frearson screw.

Note that for Imperial fasteners and tools, there are slight differences between the equivalent gauge of metal and wood-oriented fasteners.

Phillips

Designed for machine driving, and to cam out when the proper torque is reached.

Sizes

  • #0000
  • #000
  • #00
  • #0 Phillips head drivers fits screw numbers 0 and 1
  • #1 Phillips head: 2, 3, and 4
  • #2 Phillips head: 5, 6, 7, 8, and 9 (possibly certain #10)
  • #3 Phillips head: certain #10, 12, 14, and 16
  • #4 Phillips head: 18, 20, and 24
  • #5 --- this only fits 5/8 and 3/4 machine and tapping screws

[1][2]

Slotted

https://sizes.com/tools/screw_drive.htm#Slotted

https://www.forsterproducts.com/product/gunsmith-screwdrivers/

Sizes (Imperial)

https://sizes.com/tools/wood_screwtbl.htm

Jeweler's Screwdrivers

Sortable table
Description Width Thickness Width (mm) Thickness (mm) Common uses/Notes
AA 0.025″ (1/32″) 0.635mm (0.6mm) PT02449AA Blade (.025"/0.6mm) for #555 Screwdriver
A .040″ (3/64″) 1.016 mm (1 mm) 555A Jewelers’ Screwdriver .040in (1mm) Blade
B .055″ 1.397 mm (1.4 mm) 555B Jewelers’ Screwdriver .055in (1.4mm) Blade
A (metric) .060″ 1.524 mm (1.5mm) 551A Precision Screwdriver .060"(1.5mm) Blade (Metric)
C .070″ 1.778 mm (1.8mm) 555C Jewelers’ Screwdriver .070in (1.8mm) Blade
D .080″ (5/64″) 2.032 mm (2mm) 555D Jewelers’ Screwdriver .080in (2mm) Blade
E .100″ (3/32″) 2.494 mm (2.5mm) 551C Precision Screwdriver .100"(2.5mm) Blade (Metric)

555E Jewelers’ Screwdriver .100in (2.5mm) Blade

D (metric) .120″ 3mm 551D Precision Screwdriver .120"(3mm) Blade (Metric)
A (pocket) .100″ 0.015625″ (1/64) 2.494 mm (2.5mm) 553A Pocket Screwdriver (also 559A)
B (pocket) 0.150″ (5/32″) 0.015625″ (1/64″) 3.784 mm (3.8 mm) 0.396875 mm (0.4 mm) 553B Pocket Screwdriver (also 559B)

[3]

Screwdrivers/Bits

Sortable table
Description Width Thickness Width (mm) Thickness (mm) Fastener size Common uses/Notes
3⁄32 inch 0.09375″ 2.38125 mm (2.4 mm) 0--1
Slotted 1/8″ 0.125″ 0.012″ 3.175 mm (3.2 mm) 0.3048 mm
1/8 inch 0.125″ 0.020″--0.022″ 3.175 mm (3.2 mm) 0.508 mm 2 Felo 07157 30066 Slotted 1/8" x 0.5" Bit

Typical: 0.022

Slotted 5/32″ 0.15625″ 3.96875 mm (4 mm) (0.5 mm) 3 Felo 0715724037 5/32" Slotted Industrial Bit on 1/4" stock, Length: 1"
Slotted 3/16″ × 0.8mm 0.1875″ 0.0314961″--0.033″ 4.7625 mm (5 mm) 0.8 mm 4--5 Felo 30089 Slotted 3/16" x 0.8" Bit x 1" on 1/4" stock ( 161864326541 )

Typical: 0.033

3⁄16 inch, 0.037″ 0.1875″ 0.037″ 4.7625 (4.8 mm) 0.9398
Slotted 7/32″ × 0.8mm 0.21875″ 0.0314961″ 5.55625 mm (5.5 mm) 0.8 mm Felo 30097 Slotted 7/32" x 0.8" Bit x 1" on 1/4" stock ( 161973686177 )
Slotted 7/32″ × 1.0mm (0.0393701″) 0.21875″ 0.0393701″ 5.55625 mm 1.0mm Felo 30105 Slotted 7/32" x 1.0" Bit x 1" on 1/4" stock ( 162004255305 )
¼ inch 0.030 (5.5mm × 0.8mm) 0.25″ 0.030″ 6.35mm (6.4 mm) 0.8mm matching metric screw size?
Slotted 1/4″ × 0.039″ (1.0mm (0.0393701″)) 0.25″ 0.039″--0.040″ 6.35 mm (6.5 mm) 1.0mm 6--7 Felo 30112 Slotted 1/4" x 1.0" Bit x 1" on 1/4" stock ( 161776514840 )

Typical 0.040

¼ inch 0.042 0.25″ 6.35 mm (6.4 mm)
Slotted 1/4″ × 0.047″ (1.2mm (0.0472441″)) 0.25″ 0.047″ 6.35 mm (6.5 mm) 1.2mm Felo 30112 Slotted 1/4" x 1.0" Bit x 1" on 1/4" stock ( 161776514840 )
5⁄16 inch 0.039″ 0.3125″ 0.039″ 7.9375 mm (7.9 mm) 0.9906 mm
Slotted 5/16″ × 1.2mm (0.0472441″) 0.3125″ 0.046--0.0472441″ 7.9375 mm (8 mm) 1.2mm 8--10 Felo 30918 Slotted 5/16" x 1.2" Bit x 1" on 1/4" stock ( 162023805993 )

PB Swiss PB E6.100/5

Typical 0.046

Slotted 3/8″ 0.055 0.375″ 0.055″ 9.525 mm (9.5 mm) 1.397 mm 12--14 Typical 0.055
Slotted 0.39370079″ 0.06299213″ 10 mm 1.6 mm PB Swiss PB E6.100/6
Slotted 7/16″ 0.4375″ 11.1125 mm (11 mm) 16--18
Slotted 1/2″ 0.5″ 12.7 mm (13 mm) 18--24

Typical sizes from: https://www.etoolpros.com/automotive-tools/KDT-80015.html

[4] [5]

Apex Bits

Sortable table
Bit Number Blade Diameter Blade Thickness Width (mm) Thickness (mm) Fastener size Common uses/Notes
3/16″ 0.034″
7/32″ 0.040″
1/4″ 0.042″
0.296″ 0.046″
9/32″ 0.046″ 7.1 mm 1.17 mm
0.328″ 0.050″
0.328″ 0.055″
5/16″ 0.050″
23/64″ 0.055″
13/32″ 0.060″ 10.3 mm 1.52 mm
1/2″ 0.060″

[6][7]

Brownells - Magna-Tip® Bits

Sortable table
Bit Number Blade Diameter Blade Thickness Width (mm) Thickness (mm) Fastener size Common uses/Notes
445-00 0.138″ 0.028″
445-0 0.154″ 0.032″
445-10 0.185″ 0.034″
445-20 0.216″ 0.036″
445-30 0.248″ 0.038″
445-1 0.250″ 0.035″
445-2 0.250″ 0.040″
445-3 0.250″ 0.042″
445-4 0.250″ 0.046″
445-5 0.312″ 0.050″
445-6 0.360″ 0.055″
120-1 0.120″ 0.020″
120-2 0.120″ 0.025″
120-3 0.120″ 0.030″
120-4 0.120″ 0.035″
120-5 0.120″ 0.040″
120-6 0.120″ 0.045″
150-1 0.150″ 0.020″
150-2 0.150″ 0.025″
150-3 0.150″ 0.030″
150-4 0.150″ 0.035″
150-5 0.150″ 0.040″
150-6 0.150″ 0.045″
180-1 0.180″ 0.020″
180-2 0.180″ 0.025″
180-3 0.180″ 0.030″
180-4 0.180″ 0.035″
180-5 0.180″ 0.040″
180-6 0.180″ 0.045″
210-1 0.210″ 0.020″
210-2 0.210″ 0.025″
210-3 0.210″ 0.030″
210-4 0.210″ 0.035″
210-5 0.210″ 0.040″
210-6 0.210″ 0.045″
210-7 0.210″ 0.050″
240-1 0.240″ 0.020″
240-2 0.240″ 0.025″
240-3 0.240″ 0.030″
240-4 0.240″ 0.035″
240-5 0.240″ 0.040″
240-6 0.240″ 0.045″
240-7 0.240″ 0.050″
270-1 0.270″ 0.020″
270-2 0.270″ 0.025″
270-3 0.270″ 0.030″
270-4 0.270″ 0.035″
270-5 0.270″ 0.040″
270-6 0.270″ 0.050″
270-7 0.270″ 0.060″
300-1 0.300″ 0.020″
300-2 0.300″ 0.025″
300-3 0.300″ 0.030″
300-4 0.300″ 0.035″
300-5 0.300″ 0.040″
300-6 0.300″ 0.050″
300-7 0.300″ 0.060″
340-1 0.340″ 0.020″
340-2 0.340″ 0.025″
340-3 0.340″ 0.030″
340-4 0.340″ 0.035″
340-5 0.340″ 0.040″
340-6 0.340″ 0.050″
340-7 0.340″ 0.060″
340-8 0.340″ 0.070″
360-1 0.360″ 0.020″
360-2 0.360″ 0.025″
360-3 0.360″ 0.030″
360-4 0.360″ 0.035″
360-5 0.360″ 0.040″
360-6 0.360″ 0.050″
360-7 0.360″ 0.060″
360-8 0.360″ 0.070″

[8]


Grace USA Bits

Sortable table
Bit Number Blade Diameter Blade Thickness Width (mm) Thickness (mm) Fastener size Common uses/Notes
0.120″ 0.025″
0.150″ 0.031″
0.190″ 0.033″
0.200″ 0.025″
0.200″ 0.038″
0.240″ 0.045″
0.270″ 0.030″
0.270″ 0.041″
0.310″ 0.050″
0.350″ 0.070″
0.420″ 0.070″

[9]

Fasteners

Note that while fastener widths are a consistently increasing diameter and width of slot, screwdrivers are typically provided in a limited number of sizes which only function in the typical case because of their having a chisel shape, enabling them to fit in a range of fastener sizes, at the expense of proper fit (only the top edge of the fastener is in contact with the screw).

Sortable table
Fastener size Width Thickness Depth Width (mm) Thickness (mm) Depth (mm) Description Common uses/Notes
0000 0.035--0.043″ 0.006--0.008″ 0.007″ Diameter (width) will vary by fastener type.
000 0.064″ 0.011″ 0.009--0.010″ Diameter (width) will vary by fastener type. Slot thickness will vary for fastener type (0.009 for flat or oval fill, 0.010 for round)
00 0.093″ 0.017″ 0.014″ Diameter (width) will vary by fastener type.
00 0.078--0.085″ 0.013--0.023″ 0.015″
0 0.091--0.119″ 0.019--0.023″ 0.015″ Typical 3/32″ suggested. Diameter (width) will vary by fastener type.
1 0.111--0.146″ 0.026″ 0.019--0.022″ Typical 3/32″ suggested. Diameter (width) will vary by fastener type.
2 0.132--0.172″ 0.030--0.031″ 0.023--0.028″ Typical 1/8″ suggested. Diameter (width) will vary by fastener type.
3 0.1894--0.199″ 0.032--0.035″ 0.027″ Typical 5/32″ suggested
4 0.2158--0.225″ 0.034--0.039″ 0.030″ Typical 3/16″ suggested
5 0.2421--0.252″ 0.036--0.043″ 0.034″ Typical 3/16″ suggested
6 0.2684--0.279″ 0.039--0.048″ 0.038″ Typical 1/4″ suggested
7 0.2947--0.305″ 0.041
8 0.3210--0.332″ 0.043--0.054″ 0.045″ Typical 5/16″ suggested
9 0.3474--0.358″ 0.045
10 0.3737--0.385″ 0.048--0.060″ 0.053″ Typical 5/16″ suggested
11 0.4000--0.411″ 0.050
12 0.4263--0.438″ 0.052--0.067″ 0.060″ Typical 3/8″ suggested
13 0.4427″ 0.055″
14 0.4790--0.491″ 0.057 Typical 3/8″ suggested
15 0.5053″ 0.059
0.25″ 0.507″ 0.075″ 0.070″
16 0.5316--0.491″ 0.061 Typical 7/16″ suggested
17 0.5579″ 0.064″
18 0.507--0.5842″ 0.066 Typical 7/16″ or 1/2″ suggested
0.3125″ 0.635″ 0.084″ 0.088″
20 0.6368--0.650″ 0.070 Typical 1/2″ suggested
22 0.6895″ 0.075
24 0.7421--0.756″ 0.079 Typical 1/2″ suggested
26 0.7421″ 0.084 Transcription error? Same width as #24 in Asa S. Cook Co.'s Standard as copied from Machinery's Handbook
0.375″ 0.762″ 0.094″ 0.106″
28 0.7948″ 0.088
0.4375″ 0.812″ 0.094″ 0.103″
30 0.8474″ 0.093
0.5″ 0.875″ 0.106″ 0.103″
0.5625″ 1.000″ 0.118″ 0.120″
0.625″ 1.125″ 0.133″ 0.137″
0.75″ 1.375″ 0.149″ 0.171″


[10]

[11]

[12]

Machinery's Handbook, 1914

https://jimorrisco.com/wp-content/uploads/2018/08/JI-Morris-Catalog.pdf

Sizes (Metric)

Metric Bits

Sortable table
Bit Number Blade Width (mm) Blade Thickness (mm) Width (Imperial) Thickness (Imperial) Fastener size Common uses/Notes
3.0 mm 0.5 mm Beta: 008610005

Felo: 07157 30066

Wera: 05056200001

3.5 mm 0.5 mm PB Swiss: PB C6.100/1
3.5 mm 0.6 mm Wera: 05056010001
4.0 mm 0.5 mm Felo: 0715724037

Wera: 05072050001

4 mm 0.6 mm PB Swiss: PB C6.100/2
4.0 mm 0.8 mm Typical size
4.5 mm 0.6 mm 0.177 0.24 ~11/64"

Beta: 008610010

Wera: 05072055001

Wiha: 710-10

5.0 mm 0.8 mm Felo: 30089
5.0 mm 1.0 mm Typical size
5.5 mm 0.8 mm 0.216 0.030 ~7/32"

Beta: 008610015

Felo: 30097

PB Swiss: PB C6.100/3

Wera: 05072057001

Wiha: 710-11

5.5 mm 1.0 mm 0.216 0.039 ~7/32"

Beta: 008610020

Felo: 30105

Wera: 05072059001

Wiha: 710-12

6.0 mm 1.0 mm Felo: 30112
6.0mm 1.2 mm Typical size
6.25 mm 1 mm PB Swiss: PB C6.100/4
6.5 mm 1.2 mm 0.255 0.047 Beta: 008610005

Felo: 30918

Wera: 05072061001

Wiha: 710-13

8.0 mm 1.2 mm Felo: 31410

PB Swiss: PB C6.100/5

Wera: 05072063001

8.0 mm 1.6 mm Wera: 05072065001
10 mm 1.6 mm PB Swiss: PB C6.100/6

Beta Bits

Sortable table
Bit Number Blade Width (mm) Blade Thickness (mm) Width (Imperial) Thickness (Imperial) Fastener size Common uses/Notes
008610005 3.0 mm 0.5 mm
008610010 4.5 mm 0.6 mm
008610015 5.5 mm 0.8 mm
008610020 5.5 mm 1.0 mm
008610005 6.5 mm 1.2 mm

Felo Bits

Sortable table
Bit Number Blade Width (mm) Blade Thickness (mm) Width (Imperial) Thickness (Imperial) Fastener size Common uses/Notes
07157 30066 3.0 mm 0.5 mm
Felo 0715724037 4.0 mm 0.5 mm
30089 5.0 mm 0.8 mm
30097 5.5 mm 0.8 mm
30105 5.5 mm 1.0 mm
30112 6.0 mm 1.0 mm
30918 6.5 mm 1.2 mm
31410 8.0 mm 1.2 mm

PB Swiss Bits

Sortable table
Bit Number Blade Width (mm) Blade Thickness (mm) Width (Imperial) Thickness (Imperial) Fastener size Common uses/Notes
PB C6.100/1 3.5 mm 0.5 mm
PB C6.100/2 4 mm 0.6 mm
PB C6.100/3 5.5 mm 0.8 mm
PB C6.100/4 6.25 mm 1 mm
PB C6.100/5 8 mm 1.2 mm
PB C6.100/6 10 mm 1.6 mm

[13]

Wera Bits

Sortable table
Bit Number Blade Width (mm) Blade Thickness (mm) Width (Imperial) Thickness (Imperial) Fastener size Common uses/Notes
05056200001 3.0 mm 0.5 mm
05056010001 3.5 mm 0.6 mm
05072050001 4.0 mm 0.5 mm
05072055001 4.5 mm 0.6 mm
05072057001 5.5 mm 0.8 mm
05072059001 5.5 mm 1.0 mm
05072061001 6.5 mm 1.2 mm
05072063001 8.0 mm 1.2 mm
05072065001 8.0 mm 1.6 mm


[14]

Wiha Bits

Sortable table
Bit Number Blade Width (mm) Blade Thickness (mm) Width (Imperial) Thickness (Imperial) Fastener size Common uses/Notes
710-10 4.5 mm 0.6 mm 0.177 0.24 ~11/64"
710-11 5.5 mm 0.8 mm 0.216 0.030 ~7/32"
710-12 5.5 mm 1.0 mm 0.216 0.039 ~7/32"
6.0mm ~15/64"
710-13 6.5 mm 1.2 mm 0.255 0.047
8.0mm available in both 1/4" or 5/16" drive
10.0mm 5/16" drive
12.0mm 5/16" drive

[15]

[16]

Fastener sizes

  • M1.0 0.25 1.9 0.7 0.25 0.30
  • M1.2 0.25 2.3 0.8 0.30 0.35
  • M1.4 0.30 2.6 0.9 0.30 0.40
  • M1.6 0.35 3.0 1.0 0.40 0.45
  • M2 0.4 3.8 1.3 0.50 0.60
  • M2.5 0.45 4.7 1.5 0.60 0.70
  • M3 0.5 5.6 1.9 0.80 0.85
  • M3.5 0.6 6.5 1.90 0.8 1.0
  • M4 0.7 7.5 2.2 1.0 1.1
  • M5 0.8 9.2 2.5 1.2 1.3
  • M6 1.0 11 3.0 1.6 1.6
  • M8 1.25 14.5 4.0 2.0 2.1
  • M10 1.5 18 5.0 2.5 2.6

[17][18]

Other types

JIS

http://www.vesseltools.com/hand-tools/screwdrivers/jis-japanese-industrial-standard/view-all-products.html

Making screwdrivers

Casting

http://girdersandgears.com/howto/screwdrivers/screwdrivers.html

Grinding

http://smith-wessonforum.com/s-w-smithing/174948-custom-grinding-gunsmithing-screwdrivers.html

Manufacturers

Metal