BLACK+DECKER India · India buying guide

BLACK+DECKER KC3610 vs KC4815 vs BDCS36F vs BD40K27 and BD40K27P

Choose by the controls, grip position and kit. KC3610 has a straightforward trigger; KC4815 adds a folding handle and an eight-position clutch; BDCS36F has a pivoting head and a spindle lock for manual use. The BD40K27 and pink BD40K27P use the BD40 push-to-start system with five electronic torque settings. Match the tool to your screws and working space. [1] [2] [3] [4]

Check the model and Type on the tool when choosing instructions or spare parts. This comparison uses KC3610-IN Type 1, KC4815-IN Type 2 and BDCS36F-IN Type 1 manuals, plus the BD40 manual applicable to the K27 charger setup and linked from the pink K27P Type 1 record. Pink-kit contents and some service parts differ, so confirm them separately.

Confirm the included bits, charger and case before ordering. Use the instructions for the actual supplied tool and charger, especially where charging guidance differs between published documents.

KC3610-IN Type 1 product image

Compact cordless screwdrivers

KC3610-IN Type 1

Basic trigger-operated screwdriver with a separately switched LED.

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KC4815-IN Type 2 product image

Compact cordless screwdrivers

KC4815-IN Type 2

Two-position handle and eight clutch settings.

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BDCS36F-IN Type 1 product image

Compact cordless screwdrivers

BDCS36F-IN Type 1

Pivoting head, 1/4-inch hex bits and manual-use spindle lock.

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BD40K27-IN product image

Compact cordless screwdrivers

BD40K27-IN

Push-to-start operation and five electronic torque settings.

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BD40K27P-IN Type 1 product image

Compact cordless screwdrivers

BD40K27P-IN Type 1

Pink push-to-start option; confirm its separate kit contents.

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Check included accessories on the product page; images may show items sold separately.

Quick choice by task

  • For occasional screw insertion and removal, consider KC3610’s basic trigger and LED arrangement. Confirm bit fit and the correct instructions for its supplied charger.
  • A screw accessible more easily with a straight or bent handle: compare KC4815 and BDCS36F. Both describe a pivot arrangement, but their locking and clutch details differ. Check clearance at the actual screw rather than assuming a compact body fits every recess.
  • Adjustable clutch with an ordinary trigger: KC4815's eight settings are documented. Start low and make a trial on a non-final piece. Its drill-symbol setting is not evidence that the tool can drill.
  • For push-to-start operation and an electronic torque selector, compare BD40K27-IN and the pink BD40K27P-IN. Check their separate kit contents and exact service identity.
  • A larger assortment of screw profiles: inspect BD40K27-IN's actual bit list. Its 27-accessory description comprises 26 bits plus the manual holder; charger, cable and case are additional listed items. Precision bits are not automatically interchangeable with the powered holder.
  • Drilling holes, impact driving or a joint that requires certified final torque: none is recommended here for that job. Select equipment with explicit approval for the required task.

[1] [2] [3] [4] [5]

Specifications side by side

Field KC3610-IN Type 1 KC4815-IN Type 2 BDCS36F-IN Type 1 BD40K27 / BD40K27P
Battery voltage 3.6 V rated 4.8 V rated 3.6 V 3.6 V nominal / 4 V maximum initially without load
Chemistry Ni-Cad Ni-Cd Lithium-ion Lithium-ion, integrated
Torque control Confirm on the exact model 8 settings plus no-slip symbol setting Torque adjustment ring; confirm the settings 5 electronic settings
Activation Trigger Trigger Trigger Push against screw
Grip adjustment Check the grip shape for your working space Two-position twist handle Pivoting head, including inline Check the grip shape for your working space
Bit interface Hex holder; confirm exact bit fit Hex holder; confirm exact bit fit 1/4 inch (6.35 mm) hex 1/4 inch (6.35 mm) hex
Tool lock Switch off before changing bits Centre reverse lever locks trigger Centre slider locks tool; spindle lock for manual use Centre selector locks spindle; manual use described
Charging connection Supplied plug-in charger Supplied plug-in charger Supplied plug-in charger Micro-USB

The BD40 column uses the shared manual linked for BD40-IN Type 1 and BD40K27P-IN Type 1; the manual explicitly names the K27 charger setup. Check the exact kit and Type before choosing replacement parts. [4]; [6].

Sources: [1] [2] [3] [4]

What the terms mean before you buy

  • Nominal versus maximum voltage: BD40's 4 V maximum is the initial cell voltage measured without workload; the same manual gives 3.6 V nominal. These labels do not prove a performance advantage over a different 3.6 V model.
  • Torque is the tool’s turning effort. Ratings with different test conditions cannot be compared directly. Clutch settings do not certify the final torque at a joint.
  • Clutch or e-clutch: a selectable limit/control on driving effort. BD40's electronic system stops at the selected threshold; KC4815 describes a mechanical slip clutch. Neither is presented here as a calibrated torque wrench or a guarantee against stripping screws.
  • Bit shank versus screw tip: the shank goes into the tool; the tip must match the fastener. A PH2 or Torx marking does not by itself establish shank dimensions, retention or powered-use approval.
  • Model, Type and kit suffix identify the tool and supplied bundle. Match them when choosing parts; similar housings do not establish interchangeable components.

[4] [2] [7]

KC3610-IN questions and operating guidance

How long should I charge KC3610?

Use the supplied manufacturer charger with the screwdriver switched off. Confirm the correct charging duration for your exact tool and charger with BLACK+DECKER before relying on a timed routine, because the published instructions give different durations. Do not assume USB or another charger is compatible. [1]

Which bits and controls does KC3610 use?

The manual describes a hexagonal bit holder, trigger, forward/reverse control and separately switched LED. Confirm the exact bit fit and included assortment before ordering. Do not assume drilling capability or a separate spindle lock. [1] Shop kit description

KC3610 do's and don'ts

  • Do switch off before changing bits and check that the bit is securely seated.
  • Do keep the bit straight in the screw head and release the trigger when the screw is seated.
  • Do turn off the LED when finished, keep vents clear and use the supplied charger.
  • Don't keep driving after seating, improvise a USB charging conversion or use a damaged charger/battery.
  • Don't interpret generic drilling or impact-wrench safety paragraphs as approval for those operations.
  • Don't open the battery as a routine user repair; the manual directs end-of-life battery handling to an authorised centre.

Selected safeguards only; read the complete manual. [1].

KC4815-IN questions and operating guidance

Is KC4815 corded, and can it drill because the collar has a drill symbol?

It is a 4.8 V Ni-Cd cordless screwdriver. The mains connection belongs to its charger. Its exact India-linked Type 2 manual describes eight clutch settings plus a no-slip drill-symbol position and expressly warns that this symbol does not mean drilling capability. This guide therefore recommends it for supported screwdriving, not hole drilling. [8], [2].

How do the handle and lock differ from the basic KC3610?

KC4815 has a two-position twist handle and a reverse lever whose middle position locks the trigger. Stop rotation completely before changing direction. The documented lock is a trigger lock; do not assume a separate spindle lock. [2]

What should I check in the KC4815 kit?

The India product page lists fifteen bits, a magnetic holder, the tool and a charger. Check the actual included items. Confirm the approved charger and its instructions for the supplied tool; do not choose a replacement by connector appearance alone. [9] [2] [8]

KC4815 do's and don'ts

  • Do begin with a low clutch setting and test on a non-final piece before the real fastening.
  • Do adjust the torque collar only while stopped and put the reverse lever centrally before setting the tool down.
  • Do wait for a complete stop before reversing and use the supplied charger with the screwdriver off.
  • Don't use the drill-symbol position as evidence of drilling capability or a calibrated final torque.
  • Don’t choose a replacement charger by connector appearance alone. Confirm that it is approved for the exact tool.
  • Don't assume a listed fifteen bits covers every screw profile or that the manual's word keyless establishes round-shank drill acceptance.

Sources: [2], [8].

BDCS36F-IN questions and operating guidance

What makes BDCS36F useful in an awkward screw position?

The head pivots to an inline position, and the manual describes a centre-slider tool lock and a spindle lock for manual use. It specifies 1/4-inch (6.35 mm) hex-shank bits. Check that the pivoted head locks before using it, and check clearance at the screw. [3]

What should I check about BDCS36F charging and adjustment?

The manual identifies a torque adjustment ring; confirm the available settings on the actual tool. Ask BLACK+DECKER for the correct charging duration and temperature instructions for your supplied unit and charger before use, because the published guidance differs. [3] Store claims

BDCS36F do's and don'ts

  • Do centre the direction slider to lock the tool before handling bits; select the correct tip and 1/4-inch hex shank.
  • Do make sure the pivoted head is locked in place and keep the tool/bit aligned with the screw.
  • Do use the manufacturer-supplied charger and obtain clarified charging instructions for the actual unit.
  • Don’t substitute a different bit-shank size; follow the specified 1/4-inch (6.35 mm) hex interface.
  • Don't treat pilot-hole advice as proof this screwdriver can drill the pilot hole; use a separate appropriately rated drill.
  • Don’t assume an accessory count means the same number of bits, or that a proposed replacement battery or charger fits.

Selected guidance: [3]. Battery disposal text is not an invitation to routine DIY battery replacement.

BD40K27 and BD40K27P questions

Are 4 V MAX and 3.6 V two different BD40 power levels?

They describe the same battery: 4 V is its maximum initial voltage without workload, while 3.6 V is nominal. That distinction does not establish a performance advantage over another 3.6 V tool. [4] [10]

How does push-to-start and the electronic clutch work?

Select forward or reverse with the direction switch. Pressure against the screw starts the tool; releasing pressure stops it. The five electronic torque choices need a trial fastening because the result depends on the material. They do not certify final joint torque or guarantee damage-free fastening. [4]

Are BD40K27 and pink BD40K27P interchangeable?

The BD40 manual names the K27 charger, and the pink K27P’s India Type 1 service record links the same operating manual. Some pink-model shaft and housing parts have different part numbers. Keep the exact kit and Type when buying parts, and confirm the pink kit’s contents separately. [5] [6] [11] [12] [4]

Can I use any phone charger, and does every kit include one?

Use the USB-compliant Micro-USB connection and approved charging equipment specified in the manual. The K27 India page lists a charger; check what comes in the selected kit. Do not assume every phone charger or fast-charging supply is suitable, and do not operate the screwdriver while charging. [4] [5]

BD40 do's and don'ts

  • Do put the direction switch in the middle position before fitting/removing a bit; the manual specifies 1/4-inch (6.35 mm) hex bits.
  • Do test a low torque setting first and stop if the task overloads the tool.
  • Do use supported charging equipment, keep it dry, and disconnect from charging before use.
  • Do retain the exact kit and Type identity when seeking service parts, especially for pink K27P.
  • Don’t treat an electronic clutch setting as calibrated final-torque verification for every material or joint.
  • Don't assume the small precision bits fit the powered holder merely because they are in the kit.
  • Don't use the wire-stripper feature as evidence of safe live-circuit work or an insulation certification; isolate power and follow the applicable electrical-work precautions.
  • Don't treat the 5 mm maximum screw diameter in the shared manual as permission for any screw length, structural joint or prolonged production work.

[4] [13]

Check the kit and bit fit

The KC4815 India page lists fifteen bits, a magnetic holder, tool and charger. The BD40K27 India page lists 26 bits plus a manual screwdriver holder as its 27 accessories, with a charger, Micro-USB cable and case also listed. Confirm the actual included items before purchase. [8]; [5].

Check the KC3610, BDCS36F and pink BD40K27P assortments separately. A shared manual or similar kit name does not establish the same bits or case.

Match each bit’s shank, retention and tip to the tool and screw. The small precision bits in a kit are not automatically suitable for its powered holder. Internal batteries are service items; do not treat these as a user-swappable battery platform. Confirm replacement chargers and batteries through the exact model and Type.

Supported screwdriving guidelines and sensible limits

1. Identify the exact model, market suffix and Type on the unit; read its complete instructions. Verify the fastener and bit profile, seat the bit correctly and support the work securely.

2. Keep the bit in line with the screw. Use the appropriate tool lock or switch-off procedure before changing bits. On KC4815, wait until rotation stops before reversing or adjusting the torque collar.

3. Begin with the lowest suitable control setting where adjustment is documented, then test on scrap or a non-final assembly. Stop before damaging the screw or workpiece; the controls do not eliminate user judgement.

4. If the job needs a pilot hole, prepare it with a separately approved drill. BDCS36F and BD40 provide wood pilot-hole advice, which does not establish drilling capability of the screwdriver itself. Do not use generic drilling warnings as specifications.

5. Use the intended charger and keep charging equipment dry. Confirm the correct charging instructions for the supplied tool and charger, especially for KC3610, KC4815 and BDCS36F. Do not improvise charger or battery substitutions.

6. Keep ventilation clear, avoid solvents on plastic parts, and use authorised service for faults. Do not dismantle a battery as a routine modification or leave the tool operating unattended.

Sources: [1], [2], [3], [4]. These are selected reminders for supported screwdriving; they do not replace each full manual or approve hazardous, live-electrical, structural or continuous-duty work.

Comparison FAQs

Which is the most powerful?

Choose by control style, grip and the screwdriving task. The available torque figures use different conditions, so they do not support a direct power ranking. [1] [9] [3] [4]

Which gives the best battery runtime?

Battery chemistry or capacity alone does not tell you how many screws a tool will drive per charge. Consider the screws, material and working pattern, and check the tool’s supplied instructions. [1] [14] [3] [4]

Can I use these to drill holes or as an impact driver?

This comparison does not recommend either job. KC4815's manual specifically says its drill-symbol setting does not mean drilling capability. For the others, the retrieved evidence does not establish a drill capacity or an impact mechanism. Select a tool explicitly rated for the required drilling or impact task. [2], [1], [3], [4].

Will any 1/4-inch bit work in every model?

No. BDCS36F and the BD40 manual specify a 1/4-inch hex shank. Confirm the exact bit fit for KC3610 and KC4815. On every model, match retention, tip profile, reach and approved use; do not automatically put the small precision bits from a kit in its powered holder. [1] [2] [3] [4]

Is the most expensive or largest kit necessarily better?

A larger kit helps only when its bits match your screws. Check the K27’s listed assortment and charger, and confirm the pink kit’s contents separately. Compare the complete setup you need. [5] Pink store list

What warranty should I expect in India?

Confirm the current India warranty, exclusions and service requirements for the exact product and purchase. The dated manuals and current product pages give different warranty descriptions, so do not assume one term covers every model or every item in the kit. [15] [8] [5] [1] [3]

Can I use the wire stripper on live wiring?

No live-circuit suitability or insulated-tool rating has been established. The BD40 manual's stripper directions concern matching the notch and avoiding conductor damage; its electrical warnings do not certify the tool for energised work. Isolate power and use appropriate electrical-work precautions and qualified help where needed. [4].

Are these suitable for continuous workshop production?

No continuous-duty recommendation is made. The India policy describes DIY applications, and the BD40 safety section warns against long periods of use. Treat ordinary home screwdriving recommendations as bounded by the exact tool instructions, not a duty-cycle rating or trade warranty. [15], [4].

Shop the exact Etool listings

Both “Buy Now” and “Add to Cart” open the exact product page; nothing is added automatically. Check current availability, kit contents and price before ordering.

Compared using BLACK+DECKER India specifications. Reviewed 11 October 2026.

Sources
  1. KC3610 India-linked manual p7 (opens in a new tab)
  2. KC4815 India-linked manual p7 (opens in a new tab)
  3. BDCS36F India-linked manual pp5,7 (opens in a new tab)
  4. BD40 India-linked manual pp8–11 (opens in a new tab)
  5. K27 official inclusions (opens in a new tab)
  6. Pink IN record (opens in a new tab)
  7. Manufacturer model/type guidance (opens in a new tab)
  8. India product page (opens in a new tab)
  9. Service data (opens in a new tab)
  10. IN service data (opens in a new tab)
  11. BD40 parts (opens in a new tab)
  12. Pink parts (opens in a new tab)
  13. BD40K27P India-linked manual pp8–11 (opens in a new tab)
  14. KC4815 battery part (opens in a new tab)
  15. Current India policy (opens in a new tab)