Clamp BJ158 series

Product overview
Strap clamp BJ158 provides strong hold-down force for dies, fixtures and workpieces across a wide range of machine tools. The long mounting slot enables extended clamp travel and flexible positioning. The clamp end is tapped for support. Manufactured from 1045 alloy steel and heat treated with a black oxide finish for durability and corrosion resistance.

Product types

• BJ158 — Strap Clamps (Tapped)
• BJ156 — Strap Clamps (Tapped, radius)
• BJ153 — Strap Clamps (Tapped, tapered nose)
• BJ159 — Strap Clamps (Double tapped)

Available part options (table)
Header: ID | SKU | Thread | L (mm) | L1 (mm) | L2 (mm) | L3 (mm) | W (mm) | W1 (mm) | H (mm) | Clamping Force Min (Lbs) | Clamping Force Max (Lbs) | Screw Torque (ft/lbs)

• BJ158-08063 | BJ158-08063 | M8x1.25 | 63 | 19 | 36 | 7 | 19 | 9 | 12 | 720 | 1,800 | 12
• BJ158-08080 | BJ158-08080 | M8x1.25 | 80 | 19 | 53 | 7 | 19 | 9 | 12 | 790 | 1,930 | 12
• BJ158-10080 | BJ158-10080 | M10x1.50 | 80 | 25 | 45 | 10 | 25 | 11 | 16 | 1,530 | 3,800 | 33
• BJ158-10100 | BJ158-10100 | M10x1.50 | 100 | 25 | 65 | 10 | 25 | 11 | 16 | 1,640 | 4,110 | 33
• BJ158-10125 | BJ158-10125 | M10x1.50 | 125 | 25 | 90 | 10 | 25 | 11 | 16 | 1,730 | 4,340 | 33
• BJ158-12100 | BJ158-12100 | M12x1.75 | 100 | 28 | 60 | 10 | 32 | 13 | 19 | 2,290 | 5,760 | 59
• BJ158-12125 | BJ158-12125 | M12x1.75 | 125 | 28 | 85 | 10 | 32 | 13 | 19 | 2,470 | 6,180 | 59
• BJ158-12160 | BJ158-12160 | M12x1.75 | 160 | 28 | 120 | 10 | 32 | 13 | 19 | 2,610 | 6,520 | 59
• BJ158-16125 | BJ158-16125 | M16x2.00 | 125 | 36 | 73 | 12 | 38 | 17 | 25 | 2,720 | 6,810 | 95
• BJ158-16160 | BJ158-16160 | M16x2.00 | 160 | 36 | 108 | 12 | 38 | 17 | 25 | 2,970 | 7,420 | 95

Technical specifications

• Material: 1045 alloy steel
• Finish: Heat treated with black oxide finish
• End: Tapped for support
• Mounting: Long slot for wide clamp movement and positioning
• Intended use: Hold down dies, fixtures and workpieces on a wide variety of machines
• Available SKUs and dimensions (selected examples):
  • BJ158-08063 — Thread M8x1.25; L 63; L1 19; L2 36; L3 7; W 19; W1 9; H 12; Clamping force 720–1,800 Lbs; Screw torque 12 ft/lbs
  • BJ158-08080 — Thread M8x1.25; L 80; L1 19; L2 53; L3 7; W 19; W1 9; H 12; Clamping force 790–1,930 Lbs; Screw torque 12 ft/lbs
  • BJ158-10080 — Thread M10x1.50; L 80; L1 25; L2 45; L3 10; W 25; W1 11; H 16; Clamping force 1,530–3,800 Lbs; Screw torque 33 ft/lbs
  • BJ158-10100 — Thread M10x1.50; L 100; L1 25; L2 65; L3 10; W 25; W1 11; H 16; Clamping force 1,640–4,110 Lbs; Screw torque 33 ft/lbs
  • BJ158-10125 — Thread M10x1.50; L 125; L1 25; L2 90; L3 10; W 25; W1 11; H 16; Clamping force 1,730–4,340 Lbs; Screw torque 33 ft/lbs
  • BJ158-12100 — Thread M12x1.75; L 100; L1 28; L2 60; L3 10; W 32; W1 13; H 19; Clamping force 2,290–5,760 Lbs; Screw torque 59 ft/lbs
  • BJ158-12125 — Thread M12x1.75; L 125; L1 28; L2 85; L3 10; W 32; W1 13; H 19; Clamping force 2,470–6,180 Lbs; Screw torque 59 ft/lbs
  • BJ158-12160 — Thread M12x1.75; L 160; L1 28; L2 120; L3 10; W 32; W1 13; H 19; Clamping force 2,610–6,520 Lbs; Screw torque 59 ft/lbs
  • BJ158-16125 — Thread M16x2.00; L 125; L1 36; L2 73; L3 12; W 38; W1 17; H 25; Clamping force 2,720–6,810 Lbs; Screw torque 95 ft/lbs
  • BJ158-16160 — Thread M16x2.00; L 160; L1 36; L2 108; L3 12; W 38; W1 17; H 25; Clamping force 2,970–7,420 Lbs; Screw torque 95 ft/lbs