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PROTO Hex Key Sets

PROTO hex key sets are designed to tighten or loosen fastening screws in automotive, industrial machinery and scientific equipment. They have hexagonal tips to fit in the 6-sided indentation in the screw head or bolt.

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PROTO J4973-TTA
PROTO J4996CGB
PROTO J4985C
PROTO J4974D
PROTO J4993CGE
PROTO J4973CGF
PROTO J4968G
PROTO J4980H
PROTO J4981I
PROTO J4982J
PROTO J4984K
PROTO J4987L
PROTO J4983M
PROTO J4988MN
PROTO J4978O
PROTO J4986P
PROTO J4992CGQ
PROTO J4974CGR
PROTO J4994S
PROTO J4969T
PROTO J4993U
PROTO J4991V
PROTO J4992W
Blade Material: Alloy Steel
StyleModelItemHandle MaterialNumber of PiecesArm LengthHandle TypeMeasurement TypeArm TypeShapePrice
A
J4973-TT		Folding Hex Key SetChrome Plated Steel65"PlainMetricLongFolded£47.00
B
J4996CG		Hex Key SetPlastic63"Fold-UpSAEShort-£23.06
C
J4985		Hex Key SetAlloy Steel71.73" to 3.46"L-ShapedMetricShort-£11.43
D
J4974		Hex Key Set-------£12.57
E
J4993CG		Hex Key SetPlastic93"Fold-UpSAELong-£12.96
F
J4973CG		Hex Key SetPlastic63"Fold-UpMetricLong-£19.88
G
J4968		Hex Key SetVinyl116"T-Handle, ErgonomicSAE--£176.24
H
J4980		Hex Key SetAlloy Steel131.7" to 4.25"L-ShapedSAEShort-£15.33
I
J4981		Hex Key SetAlloy Steel111.7" to 3.25"L-ShapedSAEShort-£10.10
J
J4982		Hex Key SetSteel71.88" to 3.25"L-ShapedSAEShort-£7.10
K
J4984		Hex Key SetAlloy Steel91.7" to 4.3"L-ShapedMetricShort-£15.32
L
J4987		Hex Key SetAlloy Steel142.8" to 8.25"PlainSAELongL£45.79
M
J4983		Hex Key SetAlloy Steel132.8" to 6.75"PlainSAELongL£27.37
N
J4988M		Hex Key SetAlloy Steel151.2" to 6.1"PlainMetricShortL£71.90
O
J4978		Hex Key SetChrome Plated Steel91.25" to 2"PlainSAEShortFolded£12.43
P
J4986		Hex Key SetAlloy Steel181.25" to 6.25"PlainSAEShortL£61.84
Q
J4992CG		Hex Key SetPlastic93"Fold-UpSAELong-£11.28
R
J4974CG		Hex Key SetPlastic73.5"Fold-UpMetricLong-£13.53
S
J4994		Hex Key SetChrome Plated Steel52.4" to 3.3"Fold-UpSAEShort-£17.79
T
J4969		Hex Key SetVinyl66"T-Handle, ErgonomicMetric--£81.83
U
J4993		Hex Key Set-------£12.94
V
J4991		Hex Key Set-------£17.85
W
J4992		Hex Key Set-------£8.70

Working Mechanism

  • Place one of the ends inside a fastener with a hexagonal key and turn it.
  • Turn the key for rotating the fastener to tighten or loosen it.
  • For tightening, rotate clockwise. For removing or loosening, turn it counter-clockwise.

Features

  • PROTO hex key sets feature heat-treated alloy steel construction with rust-resistant black oxide finish for prolonged use.
  • They come with plain, L-shaped, fold-up & ergonomic T-handles for convenient fastening.
  • The folding hex key sets (such as J4978) comprise multiple keys attached to one handle.
  • Keys with tips having a hex ball end allow fasteners access to hard-to-reach areas from multiple angles.
  • Selected models are L-shaped and have two arms of unequal length.
  • They allow both Metric & SAE measurement and are available in packs of 5, 6, 7, 9, 11, 13, 14, 15 & 18 pieces.
  • These sets are supplied in a metal storage box or moulded plastic holder.

Frequently Asked Questions

What is the difference between T-shaped and L-shaped keys?

T-shaped hex key sets (unlike L-shaped keys) feature one long arm with a drive tip at the end, along with a handle for delivering more torque when rotating fasteners.

What is the difference between long end & short end handle keys?

Rotating a long end handle key delivers more torque on the fastener, as compared to using a short end handle key.

How do you maintain hex key sets?

  • Protect keys from rust formation.
  • Store in a dry and clean place.
  • Wipe and lubricate after each use.

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