Sandvik / Tamrock
DT1330i Spare Parts
995 parts available across 178 assembly groups
Overview
BK Drilling stocks 995 aftermarket spare parts (drill parts and accessories) for the Sandvik DT1330i underground drilling rig, organised across 178 assembly groups. Coverage includes hydraulic components (pistons, valves, seals, hoses), wear parts (bushings, bearings), structural elements (covers, plates, mounting hardware), and consumables (filters, O-rings). All parts are OEM cross-referenced to Sandvik part numbers. Quote on request via WhatsApp +90 537 244 96 66; typical lead time 3-7 days for in-stock items, 2-4 weeks for special order.
Spare parts catalogued
995
Assembly groups
178
Lead time (in-stock)
3-7 days
BOOM ASSEMBLY(17 parts)
551 605 76
Linear sensor
265 626 81a
Taper pin
550 918 67
Boom
550 999 74a
Supporting block
550 564 25a
Boom rear assembly
550 564 27a
Boom rear assembly
550 912 78b
BOOM ASSEMBLY
550 915 75a
BOOM EXTENSION
550 917 59a
ASSEMBLY
551 888 40
SENSOR ASSEMBLY
551 888 45a
SENSOR ASSEMBLY
551 888 64d
CRADLE + ACTUATOR ASSEMBLY
551 890 27a
ZOOM ASSEMBLY
551 890 28a
ZOOM ASSEMBLY
551 890 29a
LIST OF CYLINDERS
551 951 87
WIRING HARNESS ASSEMBLY
551 976 36
BOOM REAR ASSEMBLY
BOOM SUPPORT(9 parts)
04(1 parts)
09(5 parts)
AIR FILTER ASSEMBLY(6 parts)
ASSEMBLY(15 parts)
550 176 53
Stair
550 424 66
Belt pulley
550 472 38
Brush holder
550 717 65
V-belt
550 916 01
Welding assembly
551 549 88a
Electric motor
551 914 15
Railing
804 154 09b
Hexagon socket head screw
858 418 29
Conical sleeve
551 914 17
STEPS
551 914 28
STEPS
551 914 75
BRACKET
551 914 78
BRACKET
551 934 19
ASSEMBLY
551 938 44
HOSING
Assembly(5 parts)
Axle(23 parts)
047 008 09
Cup, Bearing
614 569 69
Stud
615 089 29
Spring
615 089 31
Housing, Axle
615 089 32
Ring, Retaining
615 089 33
Ring, Seal
615 089 38
Hub Assembly
615 089 46
Shaft
615 089 50
Plug
615 089 54
Ring, Retaining
615 089 55
Ring, Seal
615 089 56
Ring, Seal
615 089 57
Ring, Retaining
615 089 58
PISTON
615 089 59
Disc, Friction
615 089 60
Reaction disc
615 089 64
Hub Assembly
615 089 65
Shim Kit
615 089 66
Seal Kit
550 778 94
Carrier Assembly, Planet
550 540 19a
DIFFERENTIAL CASE ASSEMBLY
550 540 31
STEERING PULL ROD
550 902 88
DIFFERENTIAL ASSEMBLY
Axle, Front(1 parts)
BAND(2 parts)
BOOM EXTENSION(4 parts)
BOOM REAR ASSEMBLY(3 parts)
BRACKET(3 parts)
BRAKE PEDAL(2 parts)
Basket boom(3 parts)
Basket boom module(7 parts)
Boom head(2 parts)
Boom rear assembly(2 parts)
Brake Caliper(2 parts)
Bushing(1 parts)
CABIN(5 parts)
CABIN LIFTING SYSTEM(9 parts)
CABLE ASSEMBLY(1 parts)
CABLE REEL(2 parts)
CENTRALIZER(3 parts)
COMPRESSOR(8 parts)
COMPRESSOR UNIT(1 parts)
CONTROL ASSEMBLY(10 parts)
CONTROL BOX ASSEMBLY(3 parts)
COOLER ASSEMBLY(3 parts)
COVER ASSEMBLY(20 parts)
550 291 80
Fastener
550 633 37
Side cover
550 650 75
Bracket
550 650 78
Supporting block
550 650 81
Door
550 650 86a
Door
550 660 84
Supporting block
550 660 85
Supporting block
550 674 23
Steps
550 674 25
Steps
550 785 25
Supporting block assembly
550 848 81
Cover plate
550 848 84
Cover plate
550 848 86
Cover plate
550 848 88
Cover plate
550 848 90
Cover plate
550 848 92
Cover plate
551 531 84
Latch
551 531 88
Support
551 802 78
Cover plate
CRADLE + ACTUATOR ASSEMBLY(4 parts)
CYLINDER(1 parts)
CYLINDER ASSEMBLY(11 parts)
CYLINDER FEED(2 parts)
Cabin(5 parts)
Cabin module(12 parts)
Cable assembly(1 parts)
Carrier Assembly, Planet(1 parts)
Carrier frame components(2 parts)
Carrier frame parts(31 parts)
550 441 94
Pin
550 616 54
Bracket
550 617 78a
Oscillation cradle
550 623 48
Bracket
550 624 04
Assembly
550 625 88
Plate
550 650 89
Cable rack
550 655 14
Cover plate
550 738 76f
ENGINE ASSEMBLY
550 740 68
Cover plate
550 748 33
Guard
550 785 16
Bracket
550 871 60
Drive shaft
550 876 28
Sign
550 889 15
Tyre valve
550 155 72a
Jack
550 155 73
Jack
550 443 40
Valve assembly
550 443 51a
PRESSURE SWITCH
550 655 08a
LUBRICATION FITTING BLOCK
550 721 34
ASSEMBLY
550 847 09b
AIR FILTER ASSEMBLY
550 858 34b
Wheel assembly
550 863 14
Front axle assembly
550 885 57b
SCREW SET
550 908 14
REAR AXLE ASSEMBLY
550 909 37
GREASE UNIT
550 982 70
FUEL SYSTEM
551 535 91a
Pressure switch
551 818 74
Wheel assembly
551 983 58
EXHAUST PIPING
Cylinder(3 parts)
Cylinder assembly(4 parts)
DIFFERENTIAL ASSEMBLY(1 parts)
Differential Assembly (No Pinion & Ring Gear)(15 parts)
550 780 35
Gear, Pinion
550 780 36
Gear, Pinion
550 780 37
Case, Differential
550 780 38
Flange, Pinion, Differential
550 902 86
Ring Gear And Pinion Kit
560 185 27
Ring Gear And Pinion Kit
560 185 28
Case, Differential
560 185 29
Housing, Differential
560 185 30
Gear Kit
560 210 19
Differential Case Assembly (No Differential Gears)
614 426 19
Washer, Lock
614 592 09
Nut
614 594 59
Screw
614 611 29
Disc, Brake
615 089 95
Flange
Double pump(1 parts)
Drilling module(15 parts)
550 573 67i
HOSING
550 573 69h
HOSING
550 999 74
Supporting block
551 606 40b
Hosing
551 742 04c
HOSING
551 744 56a
Hosing
551 769 37a
HOSING
551 769 49a
Hosing
551 586 69d
Retaining centralizer (Pito)
551 724 53a
ROCK DRILL
551 888 34a
BOOM ASSEMBLY
551 888 35a
BOOM ASSEMBLY
551 903 09b
Feed assembly
551 918 17e
BOOM ASSEMBLY
551 931 04c
Rod changer assembly
Drum Assembly(4 parts)
ELECTRIC COMPONENT ASSEMBLY(16 parts)
550 472 56a
Stainless steel enclosure
550 488 78
Wiring harness assembly
550 630 38a
Wiring harness assembly
550 753 75a
Marking label set
550 833 40
Wiring instruction
550 905 81a
Cable set
551 627 87
Remanence Relay
551 733 11a
Programmed electronic assembly
551 737 98
Shielded cable
551 828 38a
Pre-wired plug cable
551 902 70
Wiring harness assembly
550 449 34x
Control box assembly
550 718 39f
JUNCTION BOX ASSEMBLY
550 833 14c
Cable assembly
551 785 35b
Junction box assembly
551 902 59
CABLE ASSEMBLY
ELECTRICAL ASSEMBLY(3 parts)
ENGINE ASSEMBLY(18 parts)
550 659 08c
Engine
550 713 98
Intake pipe
550 714 11
Plate
550 714 22
Water hose
550 737 64
Cover plate
550 738 79
Supporting block
550 738 80
Plate
550 738 94
Plate
550 738 97a
Rubber sheet
550 738 98
Assembly
550 738 99
Assembly
550 739 00
Assembly
550 739 01
Assembly
550 739 18
Bracket
550 739 54
Bracket
550 896 96
Mounting plate
550 587 00c
Gearbox
550 712 11
Connecting piece
EXHAUST PIPING(7 parts)
Electric component assembly(12 parts)
550 630 45
Bracket
550 753 76a
Marking label set
550 771 62
Lamp
550 840 49
Wiring harness assembly
550 893 59
Wiring harness assembly
550 513 13
CABLE ASSEMBLY
550 566 62w
CONTROL BOX ASSEMBLY
550 675 52g
JUNCTION BOX ASSEMBLY
550 736 73a
ELECTRICAL ASSEMBLY
550 925 81d
ELECTRICAL ASSEMBLY
551 829 28h
CONTROL BOX ASSEMBLY
551 838 84a
JUNCTION BOX ASSEMBLY
Electric equipments(2 parts)
Electric module(16 parts)
550 753 94b
Marking label set
550 754 23b
Marking label set
550 998 99b
Memory device
551 926 35
Marking label set
551 926 40b
Decal set
550 441 43
Main circuit diagram
550 617 63a
CABLE ASSEMBLY
550 930 63
Main circuit diagram
551 844 86a
LIST OF CABLES
551 902 86
CARRIER ELECTRIC ASSEMBLY
551 903 21a
CONTROL ASSEMBLY
551 905 11a
CABLE SET
551 920 96a
MAIN SWITCHGEAR ASSEMBLY
551 921 40
Main circuit diagram
551 926 34
CABLE SET
871 897 79b
Three-phase motor
Engine Assembly(1 parts)
FEED BEAM ASSEMBLY(2 parts)
FIRE EXTINGUISHER SYSTEM(6 parts)
Feed assembly(6 parts)
Finishing module(7 parts)
Flushing Valve Assembly(1 parts)
Flushing valve assembly(2 parts)
Front Module(2 parts)
Front centralizer(1 parts)
Front end module(49 parts)
550 630 56
Backing frame
550 630 57
Backing frame
550 657 85
Bracket
550 657 91
Bracket
550 710 71
Bracket
550 742 28
Bracket
550 742 29
Bracket
550 845 37
Supporting block
550 845 38
Supporting block
550 995 63a
Cover plate
550 996 14
Bracket
551 553 67
Plate
551 961 08a
HOSE SUPPORT
551 969 59a
STEPS
332 491 58b
HOSE SUPPORT, RIGHT
550 375 12c
Compressor
550 393 25k
CABIN LIFTING SYSTEM
550 442 76e
WATER SEPARATOR ASSEMBLY
550 445 53a
Collecting piece
550 596 56
COOLER ASSEMBLY
550 596 60d
MOUNTING
550 624 38
Steps
550 624 39
Steps
550 630 47
Cabin support
550 631 64c
Assembly
550 654 33c
Mounting
550 660 89c
ASSEMBLY KIT
550 661 13d
SCREW SET
550 708 98b
BOOM SUPPORT
550 785 20b
Electric component assembly
550 795 22
Stair
550 833 22
Stair
550 878 26a
Pipe assembly
550 922 60
Collecting piece
550 922 77
Collecting piece
550 923 03
Collecting piece
551 000 53a
MOUNTING
551 559 96
Sensor assembly
551 580 00
Mounting
551 748 96a
VALVE ASSEMBLY
551 748 97a
Valve assembly
551 815 70
Mud guard assembly
551 815 71
Mud guard assembly
551 905 81a
ASSEMBLY
551 911 88
Valve assembly
551 916 37
ASSEMBLY
551 924 19a
ASSEMBLY
551 928 93a
VALVE ASSEMBLY
551 930 94b
LIGHTING MODULE
Fuel tank assembly(1 parts)
GEAR ASSEMBLY(2 parts)
GREASE UNIT(3 parts)
GUIDE(5 parts)
HIGH PRESSURE WATER PUMP(1 parts)
HOSE SUPPORT, RIGHT(2 parts)
HOSING(22 parts)
551 938 45
Hydraulic hose assembly
551 938 46
Hydraulic hose assembly
551 938 47
Hydraulic hose assembly
551 938 48
Hydraulic hose assembly
551 938 49
Hydraulic hose assembly
551 938 50
Hydraulic hose assembly
592 005 63
Hydraulic hose assembly
592 008 85
Hydraulic hose assembly
592 009 39
Hydraulic hose assembly
592 015 71b
Hydraulic hose assembly
592 016 15
Hydraulic hose assembly
592 029 87
Hydraulic hose assembly
592 032 09a
HOSE ASSY
592 038 31
Hydraulic hose assembly
592 040 05
HOSE ASSY
592 041 89
Hydraulic hose assembly
592 041 91a
Hydraulic hose assembly
592 041 99b
Hydraulic hose assembly
592 052 59a
Hydraulic hose assembly
592 052 61a
Hydraulic hose assembly
592 052 79
HYDRAULIC HOSE ASSEMBLY
592 052 81
HYDRAULIC HOSE ASSEMBLY
HOUSING ASSEMBLY(3 parts)
HUB & SHAFT(5 parts)
HYDR. CYLINDER(8 parts)
HYDRAULIC COMPONENTS ASSEMBLY(2 parts)
HYDRAULIC PUMP ASSEMBLY(1 parts)
HYDRAULIC RECEIVER ASSEMBLY(3 parts)
Hosing(29 parts)
592 011 99
Hydraulic hose assembly
592 015 07
Hydraulic hose assembly
592 015 09
HOSE ASSY
592 015 31
HOSE ASSY
592 015 37
Hydraulic hose assembly
592 015 55
HOSE ASSY
592 015 57
HOSE ASSY
592 015 67
HOSE ASSY
592 016 21
Fuel hose assembly
592 016 27
HYDRAULIC HOSE ASSEMBLY
592 016 29
Hose assembly
592 016 31
Hydraulic hose assembly
592 016 41
Hydraulic hose assembly
592 028 29
HOSE ASSY
592 030 19
Hydraulic hose assembly
592 030 35
Hydraulic hose assembly
592 030 53
Hydraulic hose assembly
592 032 25
HOSE ASSY
592 041 97
Hydraulic hose assembly
592 042 01
FUEL HOSE ASSEMBLY
592 046 31
Hydraulic hose assembly
592 052 35
HYDRAULIC HOSE ASSEMBLY
592 052 37
HYDRAULIC HOSE ASSEMBLY
592 028 37
Suction hose assembly
592 029 75
SUCTION HOSE ASSEMBLY
592 029 77
SUCTION HOSE ASSEMBLY
592 029 79
Suction hose assembly
592 029 85
Suction hose assembly
592 050 33
Suction hose assembly
INLET VALVE(1 parts)
JUNCTION BOX ASSEMBLY(4 parts)
Jack(8 parts)
Joined pieces(2 parts)
LIGHT ASSY(1 parts)
LIGHTING MODULE(3 parts)
Lifting System, Cabin(4 parts)
MOUNTING(17 parts)
550 467 05
Bracket
550 616 36
Bracket
550 616 37
Bracket
550 616 38
Bracket
550 617 25
Guard
550 617 85
Adapter (hydraulic)
550 618 10
Distributor
550 714 59
Plate
550 783 01
Pressure reducing valve
550 783 02
Spring
550 788 21
Bracket
550 855 89
BRACKET
550 860 79
Bracket
551 925 86a
ASSEMBLY
551 925 88a
ASSEMBLY
551 572 61e
Valve assembly
551 993 97
DISTRIBUTOR
Mounting(14 parts)
Mud guard assembly(1 parts)
Mudguard Assembly(1 parts)
NAVIGATION SYSTEM(5 parts)
OPTION OF ELECTRIC SWITCHGEAR CABINET(1 parts)
Option module(18 parts)
550 590 38e
HOSING
550 655 19a
HOSING
550 655 22b
HOSING
551 742 03c
Hosing
551 746 29b
Hosing
551 746 37b
Hosing
550 645 72e
GREASE UNIT
551 502 88
Mounting
551 733 34
Mounting
551 929 50
WATER TANK
551 929 98a
MOUNTING
551 929 99a
FIRE EXTINGUISHER SYSTEM
551 930 00b
NAVIGATION SYSTEM
551 934 17a
ASSEMBLY
551 936 20
MOUNTING
551 936 50a
AIR CONDITIONING ASSEMBLY
551 960 83a
SET
551 967 65a
HYDRAULIC COMPONENTS ASSEMBLY
PANEL(1 parts)
PIPES(12 parts)
POWER PACK ASSEMBLY(3 parts)
Panel(9 parts)
Pipe Assembly(10 parts)
Pipe assembly(6 parts)
Power extractor(18 parts)
522 086 60
O-ring
550 624 42
Front spacer
550 624 43
Body
550 624 46
Seal housing
550 624 47
Front cover
550 625 23
Gasket plate
550 625 33
Front cover
550 636 46
Gasket plate
550 642 44
Rod seal
550 642 47
Wiper
550 642 49
Rod seal
550 642 51
Wiper
550 681 54
Driver (bronze)
550 734 39
Backing ring
550 734 42
Screw
550 981 29
Hydraulic hose assembly
550 995 81
Hexagon head screw
550 687 02c
Special tools
RETROFIT KIT(1 parts)
ROD HOLDER(3 parts)
Railing(2 parts)
Rear assembly(5 parts)
Rear end module(25 parts)
550 590 51
Cover plate
550 590 53
Cover plate
550 590 54
Cover plate
550 590 56
Cover plate
550 590 62
Band
550 590 63a
Rear frame
550 590 78a
Service plane
550 590 83
Counterweight
550 619 64
Shaft
550 633 06
Cover plate
550 724 96
Cover plate
550 725 88
Shaft
550 928 52
Bracket
550 928 83
Bracket
551 848 15
Power cable
550 371 43g
POWER PACK ASSEMBLY
550 439 84
Power pack assembly
550 590 58d
Hydraulic receiver assembly
550 590 79c
STEPS
550 619 78d
CABLE REEL ASSEMBLY
550 686 96c
CABLE ASSEMBLY
550 877 01
Screw set
551 581 66c
Rear assembly
551 733 39b
MOUNTING
551 771 12
CABLE ASSEMBLY
Reel, Water Hose(3 parts)
Retaining centralizer (Pito)(15 parts)
Rod changer assembly(11 parts)
Rod magazine(15 parts)
551 538 45
Bracket
551 538 72
Bracket
551 544 30a
TORQUE MOTOR
551 545 25a
PIN
551 559 25
CONNECTION PLATE
551 559 26
Plate
551 559 29
TURNING MECHANISM
551 559 30
CONNECTION PLATE
551 559 33b
BRACKET
551 641 55a
COVER PLATE
551 672 99
Bushing
802 310 99
HEX.BOLT
551 550 65d
SCREW ASSEMBLY
551 555 00d
SCREW ASSEMBLY
551 562 48a
BAND
SANDVIK DT1330I(25 parts)
550 590 34d
Hosing
550 590 35k
Hosing
550 656 39i
Hosing
550 656 42j
Hosing
551 668 76a
Hosing
551 899 48e
Carrier frame parts
551 899 49a
Rear end module
551 899 50h
Front end module
551 899 51d
Drilling module
551 899 52c
Drilling module
551 899 53c
Drilling module
551 899 55h
Electric module
551 899 56f
Option module
551 899 58c
Cabin module
551 899 59b
Basket boom module
551 899 61
Separate parts
551 920 62a
HOSING
551 920 92a
HOSING
551 922 65
Hosing
551 929 95a
HOSING
551 929 96a
HOSING
551 939 20
Diagram
551 986 21
Hosing
550 775 61
Screw set
551 899 54e
Finishing module
SCREW ASSEMBLY(15 parts)
SCREW SET(3 parts)
SENSOR ASSEMBLY(1 parts)
SERVICE PARTS FOR COMPRESSOR(1 parts)
SET(5 parts)
SHAFT ASSEMBLY(8 parts)
STEERING PULL ROD(6 parts)
STEPS(5 parts)
SUPPORTING BLOCK(1 parts)
Screw Kit(2 parts)
Seat assembly(3 parts)
Sensor assembly(4 parts)
Separator,Mud(1 parts)
Set(2 parts)
Shaft(5 parts)
Shank Lubrication Unit(3 parts)
Special tools(7 parts)
Stair(2 parts)
Steel rack(1 parts)
Steps(2 parts)
Suction hose assembly(1 parts)
Support(1 parts)
Supporting block assembly(6 parts)
TANK(4 parts)
Tank Assembly(2 parts)
Travelling centralizer(8 parts)
VALVE ASSEMBLY(16 parts)
550 641 97
Pipe assembly
550 641 98
Pipe assembly
550 646 35
Supporting block
550 646 60
Pipe assembly
550 646 61a
Pipe assembly
550 646 62
Pipe assembly
550 646 88
Pipe assembly
550 779 56
O-ring
550 903 14
Supporting block
550 642 43
Distributor
550 642 54
Distributor
550 647 09
DISTRIBUTOR
550 732 39b
Valve
550 901 80b
Proportional directional valve
551 536 53c
Proportional directional valve
551 928 94a
VALVE ASSEMBLY
VALVE SECTION(4 parts)
Valve assembly(6 parts)
Valve, Brake(1 parts)
WATER SCRUBBER(6 parts)
WATER TANK(1 parts)
WIPER(2 parts)
WIRE KIT(2 parts)
Washing unit mounting(9 parts)
Water tank(8 parts)
Wheel Assembly(1 parts)
Wiring harness assembly(8 parts)
AIR CONDITIONING ASSEMBLY(2 parts)
AXLE(1 parts)
Axle Assembly, Front(2 parts)
Axle Assembly, Rear(1 parts)
CABLE REEL ASSEMBLY(1 parts)
CABLE SET(4 parts)
CARRIER ELECTRIC ASSEMBLY(3 parts)
Cable Reel(1 parts)
Compressor(5 parts)
Driving platform assembly(1 parts)
ELECTRIC SWITCHGEAR CABINET ASSEMBLY(3 parts)
ELECTRICS KIT(1 parts)
EXHAUST PURIFIER(1 parts)
FUEL SYSTEM(2 parts)
GREASE LUBRICATION SYSTEM(1 parts)
Gearbox(4 parts)
Hydraulic receiver assembly(1 parts)
LIST OF CYLINDERS(3 parts)
MAIN SWITCHGEAR ASSEMBLY(8 parts)
550 449 35l
ELECTRIC COMPONENT ASSEMBLY
550 473 72g
Electric component assembly
550 566 64e
Electric component assembly
550 616 29
CABLE GLAND SET
550 926 58a
Electric component assembly
551 903 19a
OPTION OF ELECTRIC SWITCHGEAR CABINET
551 916 98a
ELECTRICAL ASSEMBLY
551 920 97b
ELECTRIC SWITCHGEAR CABINET ASSEMBLY
PUMP ASSEMBLY(1 parts)
ROCK DRILL(1 parts)
Rear module(1 parts)
SENSOR MOUNTING(1 parts)
Slip Ring Unit(1 parts)
Upholstery kit(1 parts)
WASHING UNIT MOUNTING(2 parts)
WIRING HARNESS ASSEMBLY(3 parts)
Water Inlet Assembly(1 parts)
Wiper(1 parts)
ZOOM ASSEMBLY(1 parts)
Frequently asked questions
What spare parts are available for the Sandvik DT1330i?
BK Drilling carries 995 Sandvik DT1330i spare parts spanning hydraulic components, wear parts, structural elements, and consumables. Each part is cross-referenced to the Sandvik OEM number for verified compatibility.
Are these OEM or aftermarket parts?
Aftermarket parts manufactured to the same specifications and tolerances as original equipment. Each part is verified against the Sandvik OEM cross-reference catalogue. We can also source genuine OEM parts on request — please specify in your inquiry.
How long is the lead time?
Stock items typically ship within 3-7 business days from our warehouse in Turkey. Special-order or low-volume parts can take 2-4 weeks depending on availability. Inquire via WhatsApp for an exact lead time on your specific part list.
Do you ship internationally?
Yes — we ship worldwide. Most shipments to EU, MENA and CIS regions via DHL or DPD; bulk orders via freight forwarder of your choice. Customs documentation (commercial invoice, certificate of origin) is included.
Can I request a price quote?
Yes — pricing is quote-on-request to ensure accurate stock and lead-time data per inquiry. Tap the WhatsApp button on any part page or send a list of part codes to our sales line at +90 537 244 96 66.
Which drifter is used in the Sandvik DT1330i?
The DT1330i is configured with one or more Sandvik drifters; the specific model depends on the rig configuration year and customer spec. Each part page lists drifter compatibility ("Compatible drifters") to help cross-reference rock drill components.