Home » Our Products » Wrenches Spanner

Wrenches Spanner

Martin Adjustable Pin Spanner Wrenches

  • Drop forged steel handles and have steel jaws
  • Wrenches are available in maximum capacity ranges from 2” through 6-1/4”, with pin diameters of ¼”, 9/32” and 5/16”
  • Industrial Black finish
  • The pins fit into the holes or slots on the side of the flange or collar
  • Spanner Wrenches are often used to tighten shafts or pipes
  • Wrenches are special purpose with adjustable opening feature designed for servicing packing glands, adjustable collars, rings, locknuts, etc.
Part No.
Capacity
Pin
0471
3/4" to 2"
1/8"
0471A
3/4" to 2"
3/16"
0472
1-1/4" to 3"
3/16"
0472A
1-1/4" x 3"
1/4"
0474
2" to 4-3/4"
1/4"
0474A
4-1/2" to 6-1/4"
3/8"

Martin Adjustable Hook Spanner Wrenches

  • Wrenches are drop forged steel handles and have steel jaws
  • Available in maximum capacity ranges from 2” through 8-1/4”
  • Industrial Black finish
  • Wrenches cover several nut sizes and the pins fit into the holes or slots on the side of the flange or collar
  • Often used to tighten shafts or pipes
  • Adjustable opening feature designed for servicing packing glands, adjustable collars, rings, locknuts, etc.
Part No.
Capacity
471
3/4" to 2"
472
1-1/4" x 3"
474
2" to 4-3/4"
474A
4-1/2" to 6-1/4"
474B
6-1/8" to 8-3/4"

Martin Adjustable Face Spanner Wrenches

  • Adjustable Face Spanner wrenches are drop forged from steel bar
  • These wrenches are available in capacity ranges from 1/4” through 4”, with pin diameters of 3/16”, ¼” and 5/16”
  • Industrial Black finish
  • Wrenches cover several nut sizes
  • The forged pins and hooks offer extra toughness and longer life
  • Spanner Wrenches are often used to tighten shafts or pipes
  • Special purpose wrenches with adjustable opening feature designed for servicing packing glands, adjustable collars, rings, locknuts, etc.
Part No.
Capacity
Pin
482
1/4" to 2"
3/16"
483
1/4" to 3"
1/4"
484
1/4" to 4"
5/16"

Proto® Adjustable Hook Spanner Wrenches

  • Non-reflective black oxide finish for use where non-plated products are required
  • Use to tighten side slot nuts on collars, lock nuts and bearings
Part No.
Length
Capacity Range
JC471
6-3/8"
3/4" to 2"
JC472
8-1/8"
1-1/4" to 3"
JC474
11-3/8"
2" to 4-3/4"
JC474A
12-1/8"
4-1/2" to 6-1/4"
JC474B
13-3/4"
6-1/8" to 8-3/4"

Proto® Adjustable Face Spanner Wrenches

  • Non-reflective black oxide finish for use where non-plated products are required
  • Precision machined pins provide engagement with holes or slots on the face of a bearing or nut
  • Used to tighten collars, lock nut rings and seal/packing nuts on hydraulic cylinders
Part No.
Length
Pin Diameter
Pin Length
Max Opening
JC482
6-3/8"
3/16"
1/4"
2"
JC483
8-1/4"
1/4"
1/4"
3"
JC484
10-3/8"
5/16"
1/2"
4"

Proto® Adjustable Pin Spanner Wrenches

  • Non-reflective black oxide finish for use where non-plated products are required
  • Precision machined pins provide engagement with side holes or slots
  • Used to tighten side slot nuts on collars, lock nuts and bearings
Part No.
Length
Capacity Range
JC491
6-3/8"
3/4" to 2"
JC492
6-3/8"
3/4" to 2"
JC494
8-1/8"
1-1/4" to 3"
JC495
8-1/8"
1-1/4" to 3"
JC497
11-3/8"
2" to 4-3/4"
JC499
12-1/8"
4-1/2" to 6-1/4"

  • Contact Heavy Maintenance Supply 205-384-5284 for more information