Fastener Drive & Screwdriving
800.866.5740
FASTENER DRIVE
115
Insert Bit Holders / Nutsetters
Hex
Drive
Shank
Diameter
Socket
Body Dia.
Carded
Item #
(1-
pc)
Bagged
Item #
(2-
pc)
Bagged
Item #
(3-
pc)
Bulk
Item #
(10-
pc)
1/4"
1/4"
7/16"
3548121
C
3548122
B 3548123B 94812
5/16"
1/4"
1/2"
3548321
C
3548322
B 3548323B 94832
3/8"
1/4"
9/16"
3548521
C
3548523
B 94852
7/16"
1/4"
5/8"
3548721
C
3548723
B 94872
Hex
Drive
Shank
Diameter
Overall
Length
Carded
Item #
(3-
pc)
Carded
Item #
(4-
pc)
1/4"
1-7/8"
3545973
C —
1/4", 5/16", 3/8", 7/16"
1/4"
1-7/8"
3545984
C
1/4", 5/16", 3/8"
1/4"
2-9/16"
3545993
C —
Nutsetter Sets –
Lobular
Lobular Nutsetters
IRWIN
®
lobular nutsetters are designed to drive the fastener from the side, rather than forcing the corners to turn, maintaining the true
shape of the fastener and dramatically reducing breakage and damage from stripping. The lobular design also provides more clearance
on the corners of the fastener where paint build-up often occurs. They are manufactured with powerful rare earth magnets that hold
fasteners securely in place, and a 1/4" quick-change shank that works in all types of drills and drivers.
Hex
Drive
Overall
Length
Bulk
Item #
(10-
pc)
For 1/4" Insert Bits
2-3/4"
93741
Square
Drive
Bit
Size
Overall
Length
Carded
Item #
(1-
pc)
Bagged
Item #
(3-
pc)
Bulk
Item #
1/4"
1/4"
1"
3056003
93811 (10-
pc)
1/4"
1/4"
1"
4935070
4935072 (10-
pc)
3/8"
1/4"
1-1/4"
3558131
C
3558133
B
93813 (10-
pc)
3/8"
1/4"
1-1/4"
4935071
4935073 (10-
pc)
3/8"
5/16"
1-1/4"
93815 (10-
pc)
3/8"
5/16"
1-1/4"
4935074 (10-
pc)
1/2"
5/16"
1-1/2"
3056005
93817 (5-
pc)
1/2"
5/16"
1-1/2"
4935075 (10-
pc)
7/16"
Hex Shank Bit Holders
93741
Square Drive Bit Holders
93813
Hex
Drive
Shank
Diameter
Socket
Body Dia.
Carded
Item #
Bagged Item #
(3-
pc)
Bulk
Item #
(10-
pc)
1/4"
1/4"
7/16"
3547121
C
3547123
B
94712
5/16"
1/4"
1/2"
3547321
C
3547323
B
94732
3/8"
1/4"
9/16"
3547521
C
3547523
B
94752
7/16"
1/4"
5/8"
3547721
C
3547723
B
94772
Fractional Nutsetter
1-7/8"
Length – Lobular
94712
94872
Fractional Nutsetter
2-9/16"
Length – Lobular
3545984
C
magnetic
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