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- Buffers/pH Adjusters for Cementing
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- Cements
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- Corrosion Inhibitors
- Crosslinkers for Fracturing
- Defoamers/Antifoamers
- Evaporate Stabilizers
- Extenders
- Fluid Loss Control Agents
- Friction Reducers for Fracturing
- Lost Circulation Materials
- Retarders
- Shale Inhibitors/Clay Stabilizers for Cementing
- Specialty Additives
- Thinners/Dispersants
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- Viscosifiers for Fracturing
- Weighting Materials
- Drilling Fluids Supply
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- Lubricants - Oil & Gas
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- Specialty Additives - Oil & Gas
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- Thinners/Dispersants - Oil & Gas
- Viscosifiers - Oil & Gas
- Weighting Materials - Oil & Gas
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- Cements & Grouts - Geothermal
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- Greases, Lubricants & Compounds - Geothermal
- Lost Circulation Materials - Geothermal
- Polymer Additives - Geothermal
- Specialty Products - Geothermal
- Surfactants/Foam - Geothermal
- Thinners/Dispersants - Geothermal
- Weighting Materials - Geothermal
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- Infrastructure Drilling Fluids & Additives
- Jet Grouting Drilling Fluids & Additives
- Mineral Exploration Drilling Fluids and Additives
- Bentonite Products - Mineral Exploration
- Cements & Grouts - Mineral Exploration
- General Chemicals - Mineral Exploration
- Greases, Lubricants & Compounds - Mineral Exploration
- Lost Circulation Materials - Mineral Exploration
- Polymer Additives - Mineral Exploration
- Specialty Products - Mineral Exploration
- Thinners/Dispersants - Mineral Exploration
- Waste Treatment - Mineral Exploration
- Weighting Materials - Mineral Exploration
- Mineral Processing Drilling Fluids & Additives
- Oil Sands Coring Drilling Fluids & Additives
- Bentonite Products - Oil Sands Coring
- Cements & Grouts - Oil Sands Coring
- General Chemicals - Oil Sands Coring
- Greases, Lubricants & Compounds - Oil Sands Coring
- Lost Circulation Materials - Oil Sands Coring
- Polymer Additives - Oil Sands Coring
- Specialty Products - Oil Sands Coring
- Thinners/Dispersants - Oil Sands Coring
- Weighting Materials - Oil Sands Coring
- Tunneling Drilling Fluids & Additives
- Bentonite Products - Tunneling
- Flocculants & Coagulants - Tunneling
- General Chemicals - Tunneling
- Greases, Lubricants & Compounds - Tunneling
- Lost Circulation Materials - Tunneling
- Polymer Additives - Tunneling
- Specialty Products - Tunneling
- Surfactants/Foam - Tunneling
- Thinners/Dispersants - Tunneling
- Waste Treatment - Tunneling
- Water Well Drilling Fluids & Additives
- Bentonite Products - Water Well
- Cements & Grouts - Water Well
- General Chemicals - Water Well
- Greases, Lubricants & Compounds - Water Well
- Lost Circulation Materials - Water Well
- Polymer Additives - Water Well
- Production Chemicals - Water Well
- Specialty Products - Water Well
- Surfactants/Foam - Water Well
- Thinners/Dispersants - Water Well
- Weighting Materials - Water Well
- Geotechnical & Environmental Drilling Fluids & Additives
- Inertial Pumps
- Inertial Sensing
- Sand & Gravel
- Tooling, Consumables and Accessories
- Well Monitoring Products
- Testing Equipment
- Cementing & Stimulation
- View by Brand
- Drill Boss
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- Earth Pro
- Bentonite Products
- Cement Foamers
- Cements
- Corrosion Inhibitors
- Defoamers
- Emulsifiers
- Filtrate Reducers
- Flocculants & Coagulants
- Fluid Loss Control Agents
- Friction Reducers
- General Chemicals
- Greases, Lubricants & Compounds
- Lost Circulation Materials
- Polymer Additives & Breakers
- Shale Inhibitors
- Specialty Products & Additives
- Surfactants/Foam
- Thinners/Dispersants
- Viscosifiers
- Waste Treatment
Core Barrel Head Assemblies & Options
The Edge Latch Head Assembly is a robust, reliable tool that is supplied complete with landing indication and is fully compatible with the industry leader. The Edge-Latch latching system provides an enhanced mechanism for retracting the latches, which lessens the chances of sticking a tube.
Head Assembly Options include alternate Landing Indicator Bushings, Soft Shut-Off Valves, Solid Spindle Spacers as well as the Fluid Retention Kit and components. Heads are always shipped assembled so optional components need to be ordered as extra parts and switched out on receipt of shipment.
Note: A standard head assembly is supplied with landing indication installed. If you do not wish to use landing indication it can be removed prior to use. Head assemblies are filled with grease prior to leaving the factory. For lost circulation conditions, see optional fluid retention kit.
B Head Assembly & Options
| Part Number | Description | Qty |
| 100700 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 100712 | Spearhead Base | 1 |
| 100701 | Latch Retracting Pin | 2 |
| 100713 | Latch Retracting Case | 1 |
| 100714 | Upper Latch Body | 1 |
| 100702 | Latch Pivot Pin | 1 |
| 100722 | Latch Spring | 1 |
| 100715 | Latch | 2 |
| 100716 | Landing Shoulder | 1 |
| 100452 | Stainless Steel Ball, ø22mm | 1 |
| 100468 | Landing Indicator Bushing with OD Groove | 1 |
| 100717 | Lower Latch Body | 1 |
| 100703 | Lock Washer | 1 |
| 100704 | Hex Nut | 1 |
| 100718 | Spindle | 1 |
| 100705 | Shut Off Valve, Hard | 2 |
| 100706 | Shut Off Washer | 2 |
| 100707 | Spindle Bearing | 2 |
| 100719 | Spindle Bushing | 1 |
| 100709 | Compression Spring | 1 |
| 100711 | Self Locking Nut | 1 |
| 100721 | Inner Tube Cap Assembly without Thread Protector | 1 |
| 100639 | Thread Protector, Inner Tube Cap | 1 |
| Options | |
| Part Number | Description |
| 100551 | Landing Indicator Bushing without OD Groove |
| 100582 | Shut Off Valve, Soft |
| 101818 | Solid Spindle Spacer |
| 101152 | Parts Pouch |
| 101821 | Inner Tube Cap Assembly with Thread Protector |
| 100611 | Fluid Retention Kit |
BU Head Assembly & Options
| Part Number | Description | Qty |
| 100752 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 100712 | Spearhead Base | 1 |
| 100747 | Latch Locking Spring | 1 |
| 100746 | Latch Locking Pin | 1 |
| 100701 | Latch Retracting Pin | 2 |
| 100743 | Latch Retracting Case | 1 |
| 100744 | Latch Retracting Case Pin | 1 |
| 100745 | Latch Body, Upper | 1 |
| 100702 | Latch Pivot Pin | 1 |
| 100722 | Latch Spring | 1 |
| 100715 | Latch | 2 |
| 100827 | Spring Seat | 1 |
| 100801 | Latch Retracting Case Spring | 1 |
| 100826 | Spring Sleeve | 1 |
| 100828 | Spring Cavity Bushing | 1 |
| 100749 | Latch Body Adaptor | 1 |
| 100750 | Pump-In Seal | 2 |
| 100751 | Latch Body Seal Seat | 1 |
| 100452 | Stainless Steel Ball | 1 |
| 100468 | Landing Indicator Bushing, OD Groove | 1 |
| 100716 | Landing Shoulder | 1 |
| 100717 | Latch Body, Lower | 1 |
| 100703 | Nord-Lock Washer | 1 |
| 100704 | Hex Nut | 1 |
| 100718 | Spindle | 1 |
| 100705 | Shut-Off Valve, Hard | 2 |
| 100706 | Shut-Off Washer | 2 |
| 100707 | Spindle Bearing | 2 |
| 100719 | Spindle Bushing | 1 |
| 100709 | Compression Spring | 1 |
| 100711 | Self Locking Hex Nut | 1 |
| 100721 | Inner Tube Cap Assembly, No Thd. Protector | 1 |
| 100639 | Thread Protector, Inner Tube Cap | 1 |
N Head Assembly & Options
| Part Number | Description | Qty |
| 100476 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 100464 | Spearhead Base | 1 |
| 100449 | Latch Retracting Pin | 2 |
| 100465 | Latch Retracting Case | 1 |
| 100466 | Upper Latch Body | 1 |
| 100451 | Latch Pivot Pin | 1 |
| 100450 | Latch Spring | 1 |
| 100808 | Latch | 2 |
| 100469 | Landing Shoulder | 1 |
| 100452 | Stainless Steel Ball, ø22mm | 1 |
| 100468 | Landing Indicator Bushing with OD Groove | 1 |
| 100470 | Lower Latch Body | 1 |
| 100453 | Lock Washer | 1 |
| 100454 | Hex Nut | 1 |
| 100471 | Spindle | 1 |
| 100455 | Shut Off Valve, Hard | 2 |
| 100456 | Shut Off Washer | 2 |
| 100457 | Spindle Bearing, Upper | 1 |
| 100472 | Spindle Bushing | 1 |
| 100458 | Spindle Bearing, Lower | 1 |
| 100459 | Compression Spring | 1 |
| 100460 | Self Locking Nut | 1 |
| 100475 | Inner Tube Cap Assembly without Thread Protector | 1 |
| 100602 | Thread Protector | 1 |
| Options | |
| Part Number | Description |
| 100551 | Landing Indicator Bushing without OD Groove |
| 100583 | Shut Off Valve, Soft |
| 101819 | Solid Spindle Spacer |
| 101152 | Parts Pouch |
| 101822 | Inner Tube Cap Assembly with Thread Protector |
| 100607 | Fluid Retention Kit |
N2 Head Assembly & Options
| Part Number | Description | Qty |
| 100555 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 100464 | Spearhead Base | 1 |
| 100449 | Latch Retracting Pin | 2 |
| 100465 | Latch Retracting Case | 1 |
| 100466 | Upper Latch Body | 1 |
| 100451 | Latch Pivot Pin | 1 |
| 100450 | Latch Spring | 1 |
| 100808 | Latch | 2 |
| 100469 | Landing Shoulder | 1 |
| 100452 | Stainless Steel Ball, ø22mm | 1 |
| 100468 | Landing Indicator Bushing with OD Groove | 1 |
| 100553 | Landing Shoulder | 1 |
| 100470 | Lower Latch Body | 1 |
| 100453 | Lock Washer | 1 |
| 100454 | Hex Nut | 1 |
| 100471 | Spindle | 1 |
| 100455 | Shut Off Valve, Hard | 2 |
| 100456 | Shut Off Washer | 2 |
| 100457 | Spindle Bearing, Upper | 1 |
| 100472 | Spindle Bushing | 1 |
| 100458 | Spindle Bearing, Lower | 1 |
| 100459 | Compression Spring | 1 |
| 100460 | Self Locking Nut | 1 |
| 100556 | Inner Tube Cap Assembly without Thread Protector | 1 |
| Options | |
| Part Number | Description |
| 100551 | Landing Indicator Bushing without OD Groove |
| 100583 | Shut Off Valve, Soft |
| 101819 | Solid Spindle Spacer |
| 101152 | Parts Pouch |
| 100607 | Fluid Retention Kit |
N3 Head Assembly & Options
| Part Number | Description | Qty |
| 100476 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 100464 | Spearhead Base | 1 |
| 100449 | Latch Retracting Pin | 2 |
| 100465 | Latch Retracting Case | 1 |
| 100466 | Upper Latch Body | 1 |
| 100451 | Latch Pivot Pin | 1 |
| 100450 | Latch Spring | 1 |
| 100808 | Latch | 2 |
| 100469 | Landing Shoulder | 1 |
| 100452 | Stainless Steel Ball, ø22mm | 1 |
| 100468 | Landing Indicator Bushing with OD Groove | 1 |
| 100470 | Lower Latch Body | 1 |
| 100453 | Lock Washer | 1 |
| 100454 | Hex Nut | 1 |
| 100471 | Spindle | 1 |
| 100455 | Shut Off Valve, Hard | 2 |
| 100456 | Shut Off Washer | 2 |
| 100457 | Spindle Bearing, Upper | 1 |
| 100472 | Spindle Bushing | 1 |
| 100458 | Spindle Bearing, Lower | 1 |
| 100459 | Compression Spring | 1 |
| 100460 | Self Locking Nut | 1 |
| 100475 | Inner Tube Cap Assembly without Thread Protector | 1 |
| 100602 | Thread Protector | 1 |
| Options | |
| Part Number | Description |
| 100551 | Landing Indicator Bushing without OD Groove |
| 100583 | Shut Off Valve, Soft |
| 101819 | Solid Spindle Spacer |
| 101152 | Parts Pouch |
| 101822 | Inner Tube Cap Assembly with Thread Protector |
| 100607 | Fluid Retention Kit |
NU Head Assembly & Options
| Part Number | Description | Qty |
| 100791 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 100796 | Spearhead Base | 1 |
| 100798 | Latch Locking Spring | 1 |
| 100805 | Latch Locking Pin | 1 |
| 100449 | Latch Retracting Pin | 2 |
| 100797 | Latch Retracting Case | 1 |
| 100807 | Latch Retracting Case Pin | 1 |
| 100804 | Latch Body, Upper | 1 |
| 100451 | Latch Pivot Pin | 1 |
| 100450 | Latch Spring | 1 |
| 100808 | Latch | 2 |
| 100827 | Spring Seat | 1 |
| 100801 | Latch Retracting Case Spring | 1 |
| 100826 | Spring Sleeve | 1 |
| 100828 | Spring Cavity Bushing | 1 |
| 100809 | Latch Body Adaptor | 1 |
| 100764 | Pump-In Seal | 2 |
| 100810 | Latch Body Seal Seat | 1 |
| 100452 | Stainless Steel Ball | 1 |
| 100468 | Landing Indicator Bushing, OD Groove | 1 |
| 100469 | Landing Shoulder | 1 |
| 100470 | Latch Body, Lower | 1 |
| 100453 | Nord-Lock Washer | 1 |
| 100454 | Lock Nut | 1 |
| 100471 | Spindle | 1 |
| 100455 | Shut-Off Valve, Hard | 2 |
| 100456 | Shut-Off Washer | 2 |
| 100457 | Spindle Bearing, Upper | 1 |
| 100472 | Spindle Bushing | 1 |
| 100458 | Spindle Bearing, Lower | 1 |
| 100459 | Compression Spring | 1 |
| 100460 | Self Locking Hex Nut | 1 |
| 100475 | Inner Tube Cap Assembly, No Thd. Protector | 1 |
| 100602 | Thread Protector, Inner Tube Cap | 1 |
N2U Head Assembly & Options
| Part Number | Description | Qty |
| 100932 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 100796 | Spearhead Base | 1 |
| 100798 | Latch Locking Spring | 1 |
| 100805 | Latch Locking Pin | 1 |
| 100449 | Latch Retracting Pin | 2 |
| 100797 | Latch Retracting Case | 1 |
| 100807 | Latch Retracting Case Pin | 1 |
| 100804 | Latch Body, Upper | 1 |
| 100451 | Latch Pivot Pin | 1 |
| 100450 | Latch Spring | 1 |
| 100808 | Latch | 2 |
| 100827 | Spring Seat | 1 |
| 100801 | Latch Retracting Case Spring | 1 |
| 100826 | Spring Sleeve | 1 |
| 100828 | Spring Cavity Bushing | 1 |
| 100809 | Latch Body Adaptor | 1 |
| 100764 | Pump-In Seal | 2 |
| 100810 | Latch Body Seal Seat | 1 |
| 100452 | Stainless Steel Ball | 1 |
| 100468 | Landing Indicator Bushing, OD Groove | 1 |
| 100553 | Landing Shoulder | 1 |
| 100470 | Latch Body, Lower | 1 |
| 100453 | Nord-Lock Washer | 1 |
| 100454 | Lock Nut | 1 |
| 100471 | Spindle | 1 |
| 100455 | Shut-Off Valve, Hard | 2 |
| 100456 | Shut-Off Washer | 2 |
| 100457 | Spindle Bearing, Upper | 1 |
| 100472 | Spindle Bushing | 1 |
| 100458 | Spindle Bearing, Lower | 1 |
| 100459 | Compression Spring | 1 |
| 100460 | Self Locking Hex Nut | 1 |
| 100475 | Inner Tube Cap Assembly | 1 |
H Head Assembly & Options
| Part Number | Description | Qty |
| 101407 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 100493 | Spearhead Base | 1 |
| 100483 | Latch Retracting Pin | 2 |
| 101394 | Latch Retracting Case | 1 |
| 101395 | Upper Latch Body | 1 |
| 100484 | Latch Pivot Pin | 1 |
| 100450 | Latch Spring | 1 |
| 100496 | Latch | 2 |
| 100452 | Stainless Steel Ball, ø22mm | 1 |
| 100468 | Landing Indicator Bushing with OD Groove | 1 |
| 100497 | Landing Shoulder | 1 |
| 100498 | Lower Latch Body | 1 |
| 100485 | Lock Washer | 1 |
| 100486 | Hex Nut | 1 |
| 100499 | Spindle | 1 |
| 100487 | Shut Off Valve, Hard | 2 |
| 100488 | Shut Off Washer | 2 |
| 100489 | Spindle Bearing, Upper | 2 |
| 100500 | Spindle Bushing | 1 |
| 100457 | Spindle Bearing, Lower | 1 |
| 100491 | Compression Spring | 1 |
| 100492 | Self Locking Nut | 1 |
| 100502 | Inner Tube Cap Assembly without Thread Protector | 1 |
| 100603 | Thread Protector, Inner Tube Cap | 1 |
| Options | |
| Part Number | Description |
| 100551 | Landing Indicator Bushing without OD Groove |
| 100584 | Shut Off Valve, Soft |
| 101435 | Solid Spindle Spacer |
| 101152 | Parts Pouch |
| 101823 | Inner Tube Cap Assembly with Thread Protector |
| 100607 | Fluid Retention Kit |
H3 Head Assembly & Options
| Part Number | Description | Qty |
| 101407 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 100493 | Spearhead Base | 1 |
| 100483 | Latch Retracting Pin | 2 |
| 101394 | Latch Retracting Case | 1 |
| 101395 | Upper Latch Body | 1 |
| 100484 | Latch Pivot Pin | 1 |
| 100450 | Latch Spring | 1 |
| 100496 | Latch | 2 |
| 100452 | Stainless Steel Ball, ø22mm | 1 |
| 100468 | Landing Indicator Bushing with OD Groove | 1 |
| 100497 | Landing Shoulder | 1 |
| 100498 | Lower Latch Body | 1 |
| 100485 | Lock Washer | 1 |
| 100486 | Hex Nut | 1 |
| 100499 | Spindle | 1 |
| 100487 | Shut Off Valve, Hard | 2 |
| 100488 | Shut Off Washer | 2 |
| 100489 | Spindle Bearing, Upper | 2 |
| 100500 | Spindle Bushing | 1 |
| 100457 | Spindle Bearing, Lower | 1 |
| 100491 | Compression Spring | 1 |
| 100492 | Self Locking Nut | 1 |
| 100502 | Inner Tube Cap Assembly without Thread Protector | 1 |
| 100603 | Thread Protector, Inner Tube Cap | 1 |
| Options | |
| Part Number | Description |
| 100551 | Landing Indicator Bushing without OD Groove |
| 100584 | Shut Off Valve, Soft |
| 101435 | Solid Spindle Spacer |
| 101152 | Parts Pouch |
| 101823 | Inner Tube Cap Assembly with Thread Protector |
| 100607 | Fluid Retention Kit |
HU Head Assembly & Options
| Part Number | Description | Qty |
| 100811 | Head Assembly | - |
| 100462 | Spearhead Point | 1 |
| 100447 | Spearhead Spring | 1 |
| 100463 | Detent Plunger | 1 |
| 100448 | Spring Pin, ø7/16" x 1" Long | 1 |
| 102480 | Spearhead Base | 1 |
| 100798 | Latch Locking Spring | 1 |
| 102479 | Latch Locking Pin | 1 |
| 100483 | Latch Retracting Pin | 2 |
| 100815 | Latch Retracting Case | 1 |
| 101154 | Latch Retracting Case Pin | 1 |
| 101395 | Latch Body, Upper | 1 |
| 100484 | Latch Pivot Pin | 1 |
| 100450 | Latch Spring | 1 |
| 102476 | Latch | 2 |
| 102474 | Latch Retracting Case Spring | 1 |
| 102475 | Spring Sleeve | 1 |
| 100821 | Latch Body Adaptor | 1 |
| 100765 | Pump-In Seal | 2 |
| 100822 | Latch Body Seal Seat | 1 |
| 100452 | Stainless Steel Ball | 1 |
| 100468 | Landing Indicator Bushing, OD Groove | 1 |
| 100497 | Landing Shoulder | 1 |
| 100498 | Latch Body, Lower | 1 |
| 100485 | Nord-Lock Washer | 1 |
| 100486 | Hex Nut | 1 |
| 100499 | Spindle | 1 |
| 100487 | Shut-Off Valve, Hard | 2 |
| 100488 | Shut-Off Washer | 2 |
| 100489 | Spindle Bearing, Upper | 1 |
| 100500 | Spindle Bushing | 1 |
| 100457 | Spindle Bearing, Lower | 1 |
| 100491 | Compression Spring | 1 |
| 100492 | Self Locking Nut | 1 |
| 100502 | Inner Tube Cap Assembly, No Thd. Protector | 1 |
| 100603 | Thread Protector, Inner Tube Cap | 1 |
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