Longest lasting, fastest cutting blade on the market
•
Heavy-duty steel construction includes 5 mil back plate to withstand abuse
•
Hex-shaped base for easy removal from arbor
•
Contains the most popular sizes for basic electrical work
•
All components are packed in a rust-proof, molded plastic carrying case
Cat. No.
31902
Kit Contains
Cat. No.
Description
Weight
2.6 lbs. (1.18 kg)
Bi-Metal Hole Saw, 7/8"
Bi-Metal Hole Saw, 1-1/8"
Bi-Metal Hole Saw, 1-3/8"
Bi-Metal Hole Saw, 1-3/4"
Bi-Metal Hole Saw, 2"
Bi-Metal Hole Saw, 2-1/2"
Hole Saw Arbor with Adapter, 3/8"
Hole Saw Arbor With Pins, 3/8"
31914
31918
31922
31928
31932
31940
31905
31906
31902
See page 310 for additional information on warnings.
239
NOTE:
Read and follow safety instructions in power tool owner's manual.
www.kleintools.com
Holemaking Products & Accessories
Hole Saws
Bi-Metal Hole Saws
•
Optimized for cutting steel including stainless steel
stainless
•
Cuts precise holes in plastic steel and mild steel, drywall, ceiling tile,
laminates, wood and
•
Longest lasting, fastest cutting blade on the market
•
Heavy-duty steel construction includes 5 mil back plate to withstand abuse
•
The smallest hole saws feature hex-shaped base for easy removal from arbor
31932
31922
31918
31914 with
31905 arbor
Cat. No.
31914
31918
31922
31928
31932
31940
31944
31948
31958
31972
31900
Saw Diameter
7/8" (22.2 mm)
1-1/8" (28.6 mm)
1-3/8" (34.9 mm)
1-3/4" (44.5 mm)
2" (50.8 mm)
2-1/2" (63.5 mm)
2-3/4" (69.9 mm)
3" (76.2 mm)
3-5/8" (92.1 mm)
4-1/2" (114.3 mm)
6-3/8" (161.9 mm)
Pipe Tap Size
3/4" (19.1 mm)
1" (25.4 mm)
—
1-1/2" (38.1 mm)
—
—
—
—
—
—
—
Pipe Entrance Size
1/2" (12.7 mm)
3/4" (19.1 mm)
1" (25.4 mm)
1-1/4" (31.8 mm)
1-1/2" (38.1 mm)
2" (50.8 mm)
—
2-1/2" (63.5 mm)
3" (76.2 mm)
4" (101.6 mm)
6" (152.4 mm)
For Use With
31905
31905
31905 or 31906
31906
31906
31906
31906
31906
31906
31906
31906
Weight
0.96 oz. (27 g)
1.3 oz. (37 g)
1.9 lbs. (0.86 kg)
1.9 lbs. (0.86 kg)
2.1 oz. (60 g)
2.7 oz. (77 g)
3.0 lbs. (1.36 kg)
3.5 oz. (99 g)
4.6 oz. (130 g)
6.4 oz. (181 g)
2.0 lbs. (0.91 kg)
Multiple slots provide
different leverage points to
easily remove material.
* Pipe Tap Size – The sizes listed provide the necessary information whenever a pipe is to be threaded into tanks, boilers, etc.
To secure the best results, the hole should be reamed before tapping with a reamer having a taper of 3/4" per foot.
**Pipe Entrance Size – The sizes listed provide the necessary information for any given pipe size to have sufficient clearance to pass through beams, walls, bulkheads, etc.
Hole-Saw Arbors and Accessories
•
Cat. No. 31905 is for use with all Klein hole saws
use
•
Cat. No. 31906 is formm towith Klein hole saws
1-3/8" to 6-6/8" (35
162 mm)
engage
•
Fast and easy tosaws and
disengage hole
Cat. No.
31905
•
Steel construction for long life
31906
•
118° split point pilot bits
Cat. No.
•
31905 includes arbor adaptor for 5/8"-18
31907
•
Hardened mandrels for long thread life
31905
31906
Thread Size
1/2" to 20
5/8" to 18
Shank Size
Shank Style
3/8"
Hexagonal
7/16"
Hexagonal
Description
Replacement Pilot Bit, 1/4" x 3-1/4"
Pins
N
Y
Electric Drill Size
1/2" (12.7 mm) and Larger
1/2" (12.7 mm) and Larger
Weight
2.6 oz. (74 g)
2.6 oz. (74 g)
Weight
0.3 oz. (8.5 g)
Carbide-Tipped Hole Cutters
Carbide Hole Cutters
•
Cuts quick, precise holes in stainless steel, mild steel,
iron, copper and brass sheet up to 3/16" (5 mm) thick
•
Smooth start pilot drill bit for greater control
•
Split point pilot drill bit prevents bit walking
•
Integrated flange prevents the operator from drilling
beyond the sheet metal
•
Ejection spring for easy slug removal
Cat. No. Size
31850
31852
31856
31860
31866
31868
31870
Cat. No.
31874
3/4" (19.1 mm)
7/8" (22.2 mm)
1-1/8" (28.6 mm)
1-3/8" (34.9 mm)
1-3/4" (44.5 mm)
2" (50.8 mm)
2-1/2" (63.5 mm)
Conduit &
Pipe Sizes
—
1/2" (12.7 mm)
3/4" (19.1 mm)
1" (25.4 mm)
1-1/4" (31.8 mm)
1-1/2" (38.1 mm)
2" (50.8 mm)
Weight
4.0 oz. (113 g)
4.8 oz. (136 g)
6.4 oz. (181 g)
7.2 oz. (204 g)
11.2 oz. (318 g)
12.8 oz. (363 g)
15.2 oz. (431 g)
Weight
0.8 oz (23 g)
31860
Replacement Part
Description
Replacement Hole Cutter Pilot Bit
240
See page 310 for additional information on warnings.
www.kleintools.com
NOTE:
Read and follow safety instructions in power tool owner's manual.
Holemaking Products & Accessories
Carbide-Tipped Hole Cutters
4-Piece Carbide Hole Cutter Kit
•
Conduit and pipe sizes: 1/2" to 1" (12.7 to 25.4 mm)
Cat. No.
31872
Set Contains
Cat. No.
Size
Conduit &
Pipe Sizes
Weight
1.5 lbs. (0.68 kg)
1/2" (12.7 mm)
3/4" (19.1 mm)
1" (25.4 mm)
—
31852
31856
31860
31874
7/8" (22.2 mm)
1-1/8" (28.6 mm)
1-3/8" (34.9 mm)
Pilot Bits
31872
8-Piece Master Electrician's Hole Cutter Kit
•
Conduit and pipe sizes: 1/2"to 2" (12.7 to 50.8 mm)
Cat. No.
31873
Set Contains
Cat. No.
Size
Conduit &
Pipe Sizes
Weight
4.3 lbs. (1.95 kg)
1/2" (12.7 mm)
3/4" (19.1 mm)
1" (25.4 mm)
1-1/4" (31.8 mm)
1-1/2" (38.1 mm)
2" (50.8 mm)
—
31852
31856
31860
31866
31868
31870
31874
7/8" (22.2 mm)
1-1/8" (28.6 mm)
1-3/8" (34.9 mm)
1-3/4" (44.5 mm)
2" (50.8 mm)
2-1/2" (63.5 mm)
Pilot Bits
31873
Knockout Punches
Knockout Punch Set with Wrench
ratcheting wrench,
and
•
Set includes: 1"1/2", 3/4", 1", 1-1/4",knockout punches, diessizes
draw studs for
1-1/2", and 2" conduit
•
Cutting capacity 10 gauge mild steel; also cuts aluminum,
fiberglass and plastic
•
Splits slugs for easy removal
•
Punches holes cleanly and accurately
six
•
Kit includesand different size knockout punches and dies, two
draw studs
one ratcheting box end wrench
Cat. No.
53732SEN
Set Contains
Weight
9.0 lbs.
(4.08 kg)
Cat. No.
Description
53732-SEN
NOTE:
Lubricate threads before each use.
Punch
53819
7/8" Knockout Punch, 1/2" Conduit
53827
1.115" Knockout Punch, 3/4" Conduit
53837
1.362" Knockout Punch, 1" Conduit
53849
1.701" Knockout Punch, 1-1/4" Conduit
53857
1.951" Knockout Punch, 1-1/2" Conduit
53867
2.416" Knockout Punch, 2" Conduit
Die
53820
7/8" Knockout Die, 1/2" Conduit
53828
1.115" Knockout Die, 3/4" Conduit
53838
1.362" Knockout Die, 1" Conduit
53850
1.701" Knockout Die, 1-1/4" Conduit
53858
1.951" Knockout Die, 1-1/2" Conduit
53868
2.416" Knockout Die, 2" Conduit
Additional Items
53873
1" Ratcheting Box End Wrench
53871
3/8" X 2-5/8" Knockout Draw Stud
53872
3/4" X 4" Knockout Draw Stud
See page 310 for additional information on warnings.
241
NOTE:
Read and follow safety instructions in power tool owner's manual.
I just bought it a week ago, and suddenly I had a big project to do. I may not have time to play with it in the next year. It’s a waste to leave it there. I’ll pass it on to someone who needs it. The ...
In actual use, the conversion result of ADC has a large error. If this conversion result is directly used in the control loop, the control accuracy will inevitably be reduced. (The maximum conversion ...
[i=s]This post was last edited by 2638823746 on 2015-3-19 17:49[/i] A WIFI smart car is out. Not much to say, just a video first. It's a ROVIO robot. It charges automatically, can turn at any angle, h...
Loading Dump File [C:\Usersemo\Desktop\062509-15734-01.dmp]Mini Kernel Dump File: Only registers and stack trace are availableSymbol search path is: *** Invalid ***************************************...
I have two development boards, one is an ARM9 development board with LINUX2.4 transplanted, and the other is a 51 MCU. The serial port debugging wizard on the PC can receive data from the ARM board, a...
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
To enable real-time monitoring of home security and automatically dial a number for voice prompts or send text messages when an alarm occurs, a GPRS-based embedded telephone alarm system was design...[Details]
As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[Details]
According to foreign media reports, researchers at the University of Surrey have developed an artificial intelligence system that can accurately locate the location of equipment in densely populate...[Details]
Recently, AstroBo Robot, a subsidiary of Chenxing Automation, launched a new mobile collaborative palletizing product. Leveraging an omnidirectional mobile chassis, an intelligent scheduling system...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
Industrial computers with GPUs leverage powerful parallel processing to build deep learning models to analyze and respond to optical inputs. The systems develop an understanding of visual data to i...[Details]
HTTP is the abbreviation of Hypertext Transfer Protocol. It is an application protocol based on TCP/IP communication protocol used to transmit HTML and image files. It is an application-level objec...[Details]
Shanghai, China, August 21, 2025 –
Toshiba Electronic Devices & Storage Corporation (“Toshiba”) today announced the launch of the TLX9161T
, an automotive photorelay in a compact SO12L-T pa...[Details]
introduction
Inverter air conditioners are a trend in the current era and have gradually become commonplace in countless households. Beyond their basic cooling and heating functions, air condi...[Details]
The evolution of high-speed networks remains guided by the same core objectives: increasing data rates, reducing latency, improving reliability, lowering power consumption, and maintaining or exten...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
On August 20, Reuters reported that two sources revealed that U.S. Commerce Secretary Howard Lutnick is exploring the possibility of using CHIPS Act funds in exchange for equity stakes in chip manu...[Details]
Electronics engineers all know that transient voltage suppression (TVS) diodes are used to protect ports, preventing damage to downstream circuits caused by transient voltage surges. In short, TVS ...[Details]
Buy&Sell
京公网安备 11010802033920号
EEWORLD
